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Finding the Fourth Proportional to 260,572.52, 390,926.15 and 152,593.07

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Solution

The fourth proportional to 260,572.52, 390,926.15 and 152,593.07 is: 228,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,572.52 : 390,926.15 = 152,593.07 : x
  2. Step 2: Convert to fraction form
    260,572.52/390,926.15 = 152,593.07/x
  3. Step 3: Cross multiply
    260,572.52x = 390,926.15 × 152,593.07
  4. Step 4: Simplify right side
    260,572.52x = 59,652,621,371.78
  5. Step 5: Solve for x
    x = 59,652,621,371.78/260,572.52
  6. Step 6: Final answer
    x = 228,929.06

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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.