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Finding the Fourth Proportional to 385,250.60, 577,703.10 and 148,514.60

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Solution

The fourth proportional to 385,250.60, 577,703.10 and 148,514.60 is: 222,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,250.60 : 577,703.10 = 148,514.60 : x
  2. Step 2: Convert to fraction form
    385,250.60/577,703.10 = 148,514.60/x
  3. Step 3: Cross multiply
    385,250.60x = 577,703.10 × 148,514.60
  4. Step 4: Simplify right side
    385,250.60x = 85,797,344,815.26
  5. Step 5: Solve for x
    x = 85,797,344,815.26/385,250.60
  6. Step 6: Final answer
    x = 222,705.29

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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.