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Finding the Fourth Proportional to 495,771.59, 742,503.99 and 482,134.43

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Solution

The fourth proportional to 495,771.59, 742,503.99 and 482,134.43 is: 722,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,771.59 : 742,503.99 = 482,134.43 : x
  2. Step 2: Convert to fraction form
    495,771.59/742,503.99 = 482,134.43/x
  3. Step 3: Cross multiply
    495,771.59x = 742,503.99 × 482,134.43
  4. Step 4: Simplify right side
    495,771.59x = 357,986,737,991.38
  5. Step 5: Solve for x
    x = 357,986,737,991.38/495,771.59
  6. Step 6: Final answer
    x = 722,079.98

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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.