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Finding the Fourth Proportional to 615,105.60, 922,658.40 and 171,873.60

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Solution

The fourth proportional to 615,105.60, 922,658.40 and 171,873.60 is: 257,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,105.60 : 922,658.40 = 171,873.60 : x
  2. Step 2: Convert to fraction form
    615,105.60/922,658.40 = 171,873.60/x
  3. Step 3: Cross multiply
    615,105.60x = 922,658.40 × 171,873.60
  4. Step 4: Simplify right side
    615,105.60x = 158,580,620,778.24
  5. Step 5: Solve for x
    x = 158,580,620,778.24/615,105.60
  6. Step 6: Final answer
    x = 257,810.40

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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.