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Finding the Fourth Proportional to 577,211.10, 865,816.62 and 156,476.04

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Solution

The fourth proportional to 577,211.10, 865,816.62 and 156,476.04 is: 234,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,211.10 : 865,816.62 = 156,476.04 : x
  2. Step 2: Convert to fraction form
    577,211.10/865,816.62 = 156,476.04/x
  3. Step 3: Cross multiply
    577,211.10x = 865,816.62 × 156,476.04
  4. Step 4: Simplify right side
    577,211.10x = 135,479,556,063.79
  5. Step 5: Solve for x
    x = 135,479,556,063.79/577,211.10
  6. Step 6: Final answer
    x = 234,714.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.