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Finding the Fourth Proportional to 547,665.69, 754,702.06 and 418,750.23

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Solution

The fourth proportional to 547,665.69, 754,702.06 and 418,750.23 is: 577,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,665.69 : 754,702.06 = 418,750.23 : x
  2. Step 2: Convert to fraction form
    547,665.69/754,702.06 = 418,750.23/x
  3. Step 3: Cross multiply
    547,665.69x = 754,702.06 × 418,750.23
  4. Step 4: Simplify right side
    547,665.69x = 316,031,661,206.47
  5. Step 5: Solve for x
    x = 316,031,661,206.47/547,665.69
  6. Step 6: Final answer
    x = 577,052.15

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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.