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Finding the Fourth Proportional to 588,757.21, 812,590.98 and 347,025.67

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Solution

The fourth proportional to 588,757.21, 812,590.98 and 347,025.67 is: 478,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,757.21 : 812,590.98 = 347,025.67 : x
  2. Step 2: Convert to fraction form
    588,757.21/812,590.98 = 347,025.67/x
  3. Step 3: Cross multiply
    588,757.21x = 812,590.98 × 347,025.67
  4. Step 4: Simplify right side
    588,757.21x = 281,989,929,270.46
  5. Step 5: Solve for x
    x = 281,989,929,270.46/588,757.21
  6. Step 6: Final answer
    x = 478,957.92

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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.