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Finding the Fourth Proportional to 495,771.60, 742,503.98 and 482,134.44

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Solution

The fourth proportional to 495,771.60, 742,503.98 and 482,134.44 is: 722,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,771.60 : 742,503.98 = 482,134.44 : x
  2. Step 2: Convert to fraction form
    495,771.60/742,503.98 = 482,134.44/x
  3. Step 3: Cross multiply
    495,771.60x = 742,503.98 × 482,134.44
  4. Step 4: Simplify right side
    495,771.60x = 357,986,740,595.07
  5. Step 5: Solve for x
    x = 357,986,740,595.07/495,771.60
  6. Step 6: Final answer
    x = 722,079.97

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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.