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Finding the Fourth Proportional to 560,179.08, 840,642.24 and 290,555.76

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Solution

The fourth proportional to 560,179.08, 840,642.24 and 290,555.76 is: 436,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,179.08 : 840,642.24 = 290,555.76 : x
  2. Step 2: Convert to fraction form
    560,179.08/840,642.24 = 290,555.76/x
  3. Step 3: Cross multiply
    560,179.08x = 840,642.24 × 290,555.76
  4. Step 4: Simplify right side
    560,179.08x = 244,253,444,931.30
  5. Step 5: Solve for x
    x = 244,253,444,931.30/560,179.08
  6. Step 6: Final answer
    x = 436,027.43

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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.