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Finding the Fourth Proportional to 291,557.56, 437,334.59 and 75,416.30

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Solution

The fourth proportional to 291,557.56, 437,334.59 and 75,416.30 is: 113,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,557.56 : 437,334.59 = 75,416.30 : x
  2. Step 2: Convert to fraction form
    291,557.56/437,334.59 = 75,416.30/x
  3. Step 3: Cross multiply
    291,557.56x = 437,334.59 × 75,416.30
  4. Step 4: Simplify right side
    291,557.56x = 32,982,156,281.69
  5. Step 5: Solve for x
    x = 32,982,156,281.69/291,557.56
  6. Step 6: Final answer
    x = 113,124.00

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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.