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Finding the Fourth Proportional to 358,505.28, 537,425.44 and 158,719.04

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Solution

The fourth proportional to 358,505.28, 537,425.44 and 158,719.04 is: 237,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,505.28 : 537,425.44 = 158,719.04 : x
  2. Step 2: Convert to fraction form
    358,505.28/537,425.44 = 158,719.04/x
  3. Step 3: Cross multiply
    358,505.28x = 537,425.44 × 158,719.04
  4. Step 4: Simplify right side
    358,505.28x = 85,299,649,908.38
  5. Step 5: Solve for x
    x = 85,299,649,908.38/358,505.28
  6. Step 6: Final answer
    x = 237,931.36

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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.