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Finding the Fourth Proportional to 359,612.40, 539,490.60 and 106,892.40

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Solution

The fourth proportional to 359,612.40, 539,490.60 and 106,892.40 is: 160,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,612.40 : 539,490.60 = 106,892.40 : x
  2. Step 2: Convert to fraction form
    359,612.40/539,490.60 = 106,892.40/x
  3. Step 3: Cross multiply
    359,612.40x = 539,490.60 × 106,892.40
  4. Step 4: Simplify right side
    359,612.40x = 57,667,445,011.44
  5. Step 5: Solve for x
    x = 57,667,445,011.44/359,612.40
  6. Step 6: Final answer
    x = 160,360.00

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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.