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Finding the Fourth Proportional to 291,500.94, 437,101.95 and 133,592.25

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Solution

The fourth proportional to 291,500.94, 437,101.95 and 133,592.25 is: 200,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,500.94 : 437,101.95 = 133,592.25 : x
  2. Step 2: Convert to fraction form
    291,500.94/437,101.95 = 133,592.25/x
  3. Step 3: Cross multiply
    291,500.94x = 437,101.95 × 133,592.25
  4. Step 4: Simplify right side
    291,500.94x = 58,393,432,979.89
  5. Step 5: Solve for x
    x = 58,393,432,979.89/291,500.94
  6. Step 6: Final answer
    x = 200,319.88

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1.5x scale

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.