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Finding the Fourth Proportional to 497,307.63, 745,966.65 and 398,098.47

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Solution

The fourth proportional to 497,307.63, 745,966.65 and 398,098.47 is: 597,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,307.63 : 745,966.65 = 398,098.47 : x
  2. Step 2: Convert to fraction form
    497,307.63/745,966.65 = 398,098.47/x
  3. Step 3: Cross multiply
    497,307.63x = 745,966.65 × 398,098.47
  4. Step 4: Simplify right side
    497,307.63x = 296,968,182,036.03
  5. Step 5: Solve for x
    x = 296,968,182,036.03/497,307.63
  6. Step 6: Final answer
    x = 597,151.87

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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.