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Finding the Fourth Proportional to 272,585.60, 376,168.10 and 151,724.28

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Solution

The fourth proportional to 272,585.60, 376,168.10 and 151,724.28 is: 209,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,585.60 : 376,168.10 = 151,724.28 : x
  2. Step 2: Convert to fraction form
    272,585.60/376,168.10 = 151,724.28/x
  3. Step 3: Cross multiply
    272,585.60x = 376,168.10 × 151,724.28
  4. Step 4: Simplify right side
    272,585.60x = 57,073,833,372.85
  5. Step 5: Solve for x
    x = 57,073,833,372.85/272,585.60
  6. Step 6: Final answer
    x = 209,379.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.