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Finding the Fourth Proportional to 684,202.69, 944,197.35 and 382,396.69

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Solution

The fourth proportional to 684,202.69, 944,197.35 and 382,396.69 is: 527,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,202.69 : 944,197.35 = 382,396.69 : x
  2. Step 2: Convert to fraction form
    684,202.69/944,197.35 = 382,396.69/x
  3. Step 3: Cross multiply
    684,202.69x = 944,197.35 × 382,396.69
  4. Step 4: Simplify right side
    684,202.69x = 361,057,941,346.77
  5. Step 5: Solve for x
    x = 361,057,941,346.77/684,202.69
  6. Step 6: Final answer
    x = 527,706.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.