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Finding the Fourth Proportional to 588,785.32, 812,630.10 and 347,053.96

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Solution

The fourth proportional to 588,785.32, 812,630.10 and 347,053.96 is: 478,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,785.32 : 812,630.10 = 347,053.96 : x
  2. Step 2: Convert to fraction form
    588,785.32/812,630.10 = 347,053.96/x
  3. Step 3: Cross multiply
    588,785.32x = 812,630.10 × 347,053.96
  4. Step 4: Simplify right side
    588,785.32x = 282,026,494,220.20
  5. Step 5: Solve for x
    x = 282,026,494,220.20/588,785.32
  6. Step 6: Final answer
    x = 478,997.16

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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.