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Finding the Fourth Proportional to 551,574.62, 761,148.87 and 337,073.66

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Solution

The fourth proportional to 551,574.62, 761,148.87 and 337,073.66 is: 465,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,574.62 : 761,148.87 = 337,073.66 : x
  2. Step 2: Convert to fraction form
    551,574.62/761,148.87 = 337,073.66/x
  3. Step 3: Cross multiply
    551,574.62x = 761,148.87 × 337,073.66
  4. Step 4: Simplify right side
    551,574.62x = 256,563,235,415.76
  5. Step 5: Solve for x
    x = 256,563,235,415.76/551,574.62
  6. Step 6: Final answer
    x = 465,146.92

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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.