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Finding the Fourth Proportional to 260,449.96, 359,356.14 and 151,572.16

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Solution

The fourth proportional to 260,449.96, 359,356.14 and 151,572.16 is: 209,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,449.96 : 359,356.14 = 151,572.16 : x
  2. Step 2: Convert to fraction form
    260,449.96/359,356.14 = 151,572.16/x
  3. Step 3: Cross multiply
    260,449.96x = 359,356.14 × 151,572.16
  4. Step 4: Simplify right side
    260,449.96x = 54,468,386,349.06
  5. Step 5: Solve for x
    x = 54,468,386,349.06/260,449.96
  6. Step 6: Final answer
    x = 209,131.87

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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.