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Finding the Fourth Proportional to 588,462.57, 812,070.77 and 346,755.33

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Solution

The fourth proportional to 588,462.57, 812,070.77 and 346,755.33 is: 478,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,462.57 : 812,070.77 = 346,755.33 : x
  2. Step 2: Convert to fraction form
    588,462.57/812,070.77 = 346,755.33/x
  3. Step 3: Cross multiply
    588,462.57x = 812,070.77 × 346,755.33
  4. Step 4: Simplify right side
    588,462.57x = 281,589,866,100.93
  5. Step 5: Solve for x
    x = 281,589,866,100.93/588,462.57
  6. Step 6: Final answer
    x = 478,517.89

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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.