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Finding the Fourth Proportional to 435,248.64, 652,994.88 and 154,794.24

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Solution

The fourth proportional to 435,248.64, 652,994.88 and 154,794.24 is: 232,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,248.64 : 652,994.88 = 154,794.24 : x
  2. Step 2: Convert to fraction form
    435,248.64/652,994.88 = 154,794.24/x
  3. Step 3: Cross multiply
    435,248.64x = 652,994.88 × 154,794.24
  4. Step 4: Simplify right side
    435,248.64x = 101,079,846,173.49
  5. Step 5: Solve for x
    x = 101,079,846,173.49/435,248.64
  6. Step 6: Final answer
    x = 232,234.72

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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.