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Finding the Fourth Proportional to 435,267.60, 652,507.47 and 154,719.24

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Solution

The fourth proportional to 435,267.60, 652,507.47 and 154,719.24 is: 231,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,267.60 : 652,507.47 = 154,719.24 : x
  2. Step 2: Convert to fraction form
    435,267.60/652,507.47 = 154,719.24/x
  3. Step 3: Cross multiply
    435,267.60x = 652,507.47 × 154,719.24
  4. Step 4: Simplify right side
    435,267.60x = 100,955,459,852.72
  5. Step 5: Solve for x
    x = 100,955,459,852.72/435,267.60
  6. Step 6: Final answer
    x = 231,938.83

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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.