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Finding the Fourth Proportional to 576,029.95, 794,966.03 and 317,957.47

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Solution

The fourth proportional to 576,029.95, 794,966.03 and 317,957.47 is: 438,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,029.95 : 794,966.03 = 317,957.47 : x
  2. Step 2: Convert to fraction form
    576,029.95/794,966.03 = 317,957.47/x
  3. Step 3: Cross multiply
    576,029.95x = 794,966.03 × 317,957.47
  4. Step 4: Simplify right side
    576,029.95x = 252,765,386,044.96
  5. Step 5: Solve for x
    x = 252,765,386,044.96/576,029.95
  6. Step 6: Final answer
    x = 438,805.98

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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.