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Finding the Fourth Proportional to 593,486.60, 890,229.90 and 572,491.40

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Solution

The fourth proportional to 593,486.60, 890,229.90 and 572,491.40 is: 858,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,486.60 : 890,229.90 = 572,491.40 : x
  2. Step 2: Convert to fraction form
    593,486.60/890,229.90 = 572,491.40/x
  3. Step 3: Cross multiply
    593,486.60x = 890,229.90 × 572,491.40
  4. Step 4: Simplify right side
    593,486.60x = 509,648,961,772.86
  5. Step 5: Solve for x
    x = 509,648,961,772.86/593,486.60
  6. Step 6: Final answer
    x = 858,737.10

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Similar ratio
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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.