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Finding the Fourth Proportional to 547,010.70, 820,516.05 and 346,244.10

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Solution

The fourth proportional to 547,010.70, 820,516.05 and 346,244.10 is: 519,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,010.70 : 820,516.05 = 346,244.10 : x
  2. Step 2: Convert to fraction form
    547,010.70/820,516.05 = 346,244.10/x
  3. Step 3: Cross multiply
    547,010.70x = 820,516.05 × 346,244.10
  4. Step 4: Simplify right side
    547,010.70x = 284,098,841,267.81
  5. Step 5: Solve for x
    x = 284,098,841,267.81/547,010.70
  6. Step 6: Final answer
    x = 519,366.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.