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Finding the Fourth Proportional to 291,554.60, 437,526.30 and 133,701.80

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Solution

The fourth proportional to 291,554.60, 437,526.30 and 133,701.80 is: 200,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,554.60 : 437,526.30 = 133,701.80 : x
  2. Step 2: Convert to fraction form
    291,554.60/437,526.30 = 133,701.80/x
  3. Step 3: Cross multiply
    291,554.60x = 437,526.30 × 133,701.80
  4. Step 4: Simplify right side
    291,554.60x = 58,498,053,857.34
  5. Step 5: Solve for x
    x = 58,498,053,857.34/291,554.60
  6. Step 6: Final answer
    x = 200,641.85

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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.