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Finding the Fourth Proportional to 588,894.62, 812,467.62 and 385,064.85

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Solution

The fourth proportional to 588,894.62, 812,467.62 and 385,064.85 is: 531,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,894.62 : 812,467.62 = 385,064.85 : x
  2. Step 2: Convert to fraction form
    588,894.62/812,467.62 = 385,064.85/x
  3. Step 3: Cross multiply
    588,894.62x = 812,467.62 × 385,064.85
  4. Step 4: Simplify right side
    588,894.62x = 312,852,722,225.16
  5. Step 5: Solve for x
    x = 312,852,722,225.16/588,894.62
  6. Step 6: Final answer
    x = 531,254.17

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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.