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Finding the Fourth Proportional to 355,577.43, 533,646.39 and 156,035.55

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Solution

The fourth proportional to 355,577.43, 533,646.39 and 156,035.55 is: 234,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,577.43 : 533,646.39 = 156,035.55 : x
  2. Step 2: Convert to fraction form
    355,577.43/533,646.39 = 156,035.55/x
  3. Step 3: Cross multiply
    355,577.43x = 533,646.39 × 156,035.55
  4. Step 4: Simplify right side
    355,577.43x = 83,267,807,969.16
  5. Step 5: Solve for x
    x = 83,267,807,969.16/355,577.43
  6. Step 6: Final answer
    x = 234,176.30

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1.5x scale

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.