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Finding the Fourth Proportional to 588,479.96, 812,162.22 and 346,840.50

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Solution

The fourth proportional to 588,479.96, 812,162.22 and 346,840.50 is: 478,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,479.96 : 812,162.22 = 346,840.50 : x
  2. Step 2: Convert to fraction form
    588,479.96/812,162.22 = 346,840.50/x
  3. Step 3: Cross multiply
    588,479.96x = 812,162.22 × 346,840.50
  4. Step 4: Simplify right side
    588,479.96x = 281,690,750,465.91
  5. Step 5: Solve for x
    x = 281,690,750,465.91/588,479.96
  6. Step 6: Final answer
    x = 478,675.18

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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.