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Finding the Fourth Proportional to 553,803.18, 827,669.88 and 404,358.18

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Solution

The fourth proportional to 553,803.18, 827,669.88 and 404,358.18 is: 604,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,803.18 : 827,669.88 = 404,358.18 : x
  2. Step 2: Convert to fraction form
    553,803.18/827,669.88 = 404,358.18/x
  3. Step 3: Cross multiply
    553,803.18x = 827,669.88 × 404,358.18
  4. Step 4: Simplify right side
    553,803.18x = 334,675,086,317.62
  5. Step 5: Solve for x
    x = 334,675,086,317.62/553,803.18
  6. Step 6: Final answer
    x = 604,321.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.