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Finding the Fourth Proportional to 291,765.40, 437,648.10 and 167,003.80

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Solution

The fourth proportional to 291,765.40, 437,648.10 and 167,003.80 is: 250,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,765.40 : 437,648.10 = 167,003.80 : x
  2. Step 2: Convert to fraction form
    291,765.40/437,648.10 = 167,003.80/x
  3. Step 3: Cross multiply
    291,765.40x = 437,648.10 × 167,003.80
  4. Step 4: Simplify right side
    291,765.40x = 73,088,895,762.78
  5. Step 5: Solve for x
    x = 73,088,895,762.78/291,765.40
  6. Step 6: Final answer
    x = 250,505.70

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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.