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Finding the Fourth Proportional to 615,115.60, 922,673.40 and 171,883.60

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Solution

The fourth proportional to 615,115.60, 922,673.40 and 171,883.60 is: 257,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,115.60 : 922,673.40 = 171,883.60 : x
  2. Step 2: Convert to fraction form
    615,115.60/922,673.40 = 171,883.60/x
  3. Step 3: Cross multiply
    615,115.60x = 922,673.40 × 171,883.60
  4. Step 4: Simplify right side
    615,115.60x = 158,592,425,616.24
  5. Step 5: Solve for x
    x = 158,592,425,616.24/615,115.60
  6. Step 6: Final answer
    x = 257,825.40

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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.