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Finding the Fourth Proportional to 225,737.60, 338,609.28 and 155,598.08

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Solution

The fourth proportional to 225,737.60, 338,609.28 and 155,598.08 is: 233,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,737.60 : 338,609.28 = 155,598.08 : x
  2. Step 2: Convert to fraction form
    225,737.60/338,609.28 = 155,598.08/x
  3. Step 3: Cross multiply
    225,737.60x = 338,609.28 × 155,598.08
  4. Step 4: Simplify right side
    225,737.60x = 52,686,953,838.18
  5. Step 5: Solve for x
    x = 52,686,953,838.18/225,737.60
  6. Step 6: Final answer
    x = 233,399.11

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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.