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Finding the Fourth Proportional to 615,132.30, 922,698.45 and 591,512.70

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Solution

The fourth proportional to 615,132.30, 922,698.45 and 591,512.70 is: 887,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,132.30 : 922,698.45 = 591,512.70 : x
  2. Step 2: Convert to fraction form
    615,132.30/922,698.45 = 591,512.70/x
  3. Step 3: Cross multiply
    615,132.30x = 922,698.45 × 591,512.70
  4. Step 4: Simplify right side
    615,132.30x = 545,787,851,445.32
  5. Step 5: Solve for x
    x = 545,787,851,445.32/615,132.30
  6. Step 6: Final answer
    x = 887,269.05

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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.