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Finding the Fourth Proportional to 606,947.60, 910,785.90 and 251,924.60

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Solution

The fourth proportional to 606,947.60, 910,785.90 and 251,924.60 is: 378,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,947.60 : 910,785.90 = 251,924.60 : x
  2. Step 2: Convert to fraction form
    606,947.60/910,785.90 = 251,924.60/x
  3. Step 3: Cross multiply
    606,947.60x = 910,785.90 × 251,924.60
  4. Step 4: Simplify right side
    606,947.60x = 229,449,373,543.14
  5. Step 5: Solve for x
    x = 229,449,373,543.14/606,947.60
  6. Step 6: Final answer
    x = 378,038.19

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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.