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Finding the Fourth Proportional to 641,013.08, 883,732.41 and 411,171.35

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Solution

The fourth proportional to 641,013.08, 883,732.41 and 411,171.35 is: 566,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,013.08 : 883,732.41 = 411,171.35 : x
  2. Step 2: Convert to fraction form
    641,013.08/883,732.41 = 411,171.35/x
  3. Step 3: Cross multiply
    641,013.08x = 883,732.41 × 411,171.35
  4. Step 4: Simplify right side
    641,013.08x = 363,365,443,639.79
  5. Step 5: Solve for x
    x = 363,365,443,639.79/641,013.08
  6. Step 6: Final answer
    x = 566,861.20

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1.5x scale

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.