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Finding the Fourth Proportional to 541,490.32, 747,247.20 and 299,767.60

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Solution

The fourth proportional to 541,490.32, 747,247.20 and 299,767.60 is: 413,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,490.32 : 747,247.20 = 299,767.60 : x
  2. Step 2: Convert to fraction form
    541,490.32/747,247.20 = 299,767.60/x
  3. Step 3: Cross multiply
    541,490.32x = 747,247.20 × 299,767.60
  4. Step 4: Simplify right side
    541,490.32x = 224,000,499,750.72
  5. Step 5: Solve for x
    x = 224,000,499,750.72/541,490.32
  6. Step 6: Final answer
    x = 413,674.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.