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Finding the Fourth Proportional to 626,552.92, 864,644.02 and 340,073.13

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Solution

The fourth proportional to 626,552.92, 864,644.02 and 340,073.13 is: 469,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,552.92 : 864,644.02 = 340,073.13 : x
  2. Step 2: Convert to fraction form
    626,552.92/864,644.02 = 340,073.13/x
  3. Step 3: Cross multiply
    626,552.92x = 864,644.02 × 340,073.13
  4. Step 4: Simplify right side
    626,552.92x = 294,042,200,609.42
  5. Step 5: Solve for x
    x = 294,042,200,609.42/626,552.92
  6. Step 6: Final answer
    x = 469,301.46

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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.