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Finding the Fourth Proportional to 577,370.60, 866,056.38 and 156,646.52

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Solution

The fourth proportional to 577,370.60, 866,056.38 and 156,646.52 is: 234,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370.60 : 866,056.38 = 156,646.52 : x
  2. Step 2: Convert to fraction form
    577,370.60/866,056.38 = 156,646.52/x
  3. Step 3: Cross multiply
    577,370.60x = 866,056.38 × 156,646.52
  4. Step 4: Simplify right side
    577,370.60x = 135,664,718,050.80
  5. Step 5: Solve for x
    x = 135,664,718,050.80/577,370.60
  6. Step 6: Final answer
    x = 234,969.91

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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.