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Finding the Fourth Proportional to 291,063.92, 436,829.70 and 150,862.64

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Solution

The fourth proportional to 291,063.92, 436,829.70 and 150,862.64 is: 226,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,063.92 : 436,829.70 = 150,862.64 : x
  2. Step 2: Convert to fraction form
    291,063.92/436,829.70 = 150,862.64/x
  3. Step 3: Cross multiply
    291,063.92x = 436,829.70 × 150,862.64
  4. Step 4: Simplify right side
    291,063.92x = 65,901,281,772.41
  5. Step 5: Solve for x
    x = 65,901,281,772.41/291,063.92
  6. Step 6: Final answer
    x = 226,415.15

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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.