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Finding the Fourth Proportional to 693,044.49, 957,337.49 and 522,253.46

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Solution

The fourth proportional to 693,044.49, 957,337.49 and 522,253.46 is: 721,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,044.49 : 957,337.49 = 522,253.46 : x
  2. Step 2: Convert to fraction form
    693,044.49/957,337.49 = 522,253.46/x
  3. Step 3: Cross multiply
    693,044.49x = 957,337.49 × 522,253.46
  4. Step 4: Simplify right side
    693,044.49x = 499,972,820,239.19
  5. Step 5: Solve for x
    x = 499,972,820,239.19/693,044.49
  6. Step 6: Final answer
    x = 721,415.19

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Double scale
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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.