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Finding the Fourth Proportional to 435,252.64, 653,000.88 and 154,798.24

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Solution

The fourth proportional to 435,252.64, 653,000.88 and 154,798.24 is: 232,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,252.64 : 653,000.88 = 154,798.24 : x
  2. Step 2: Convert to fraction form
    435,252.64/653,000.88 = 154,798.24/x
  3. Step 3: Cross multiply
    435,252.64x = 653,000.88 × 154,798.24
  4. Step 4: Simplify right side
    435,252.64x = 101,083,386,942.45
  5. Step 5: Solve for x
    x = 101,083,386,942.45/435,252.64
  6. Step 6: Final answer
    x = 232,240.72

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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.