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Finding the Fourth Proportional to 495,770.59, 742,502.49 and 482,133.43

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Solution

The fourth proportional to 495,770.59, 742,502.49 and 482,133.43 is: 722,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,770.59 : 742,502.49 = 482,133.43 : x
  2. Step 2: Convert to fraction form
    495,770.59/742,502.49 = 482,133.43/x
  3. Step 3: Cross multiply
    495,770.59x = 742,502.49 × 482,133.43
  4. Step 4: Simplify right side
    495,770.59x = 357,985,272,287.24
  5. Step 5: Solve for x
    x = 357,985,272,287.24/495,770.59
  6. Step 6: Final answer
    x = 722,078.48

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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.