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Finding the Fourth Proportional to 653,594.59, 980,171.47 and 248,690.68

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Solution

The fourth proportional to 653,594.59, 980,171.47 and 248,690.68 is: 372,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,594.59 : 980,171.47 = 248,690.68 : x
  2. Step 2: Convert to fraction form
    653,594.59/980,171.47 = 248,690.68/x
  3. Step 3: Cross multiply
    653,594.59x = 980,171.47 × 248,690.68
  4. Step 4: Simplify right side
    653,594.59x = 243,759,509,390.90
  5. Step 5: Solve for x
    x = 243,759,509,390.90/653,594.59
  6. Step 6: Final answer
    x = 372,952.15

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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.