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Finding the Fourth Proportional to 615,267.90, 922,729.05 and 194,672.70

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Solution

The fourth proportional to 615,267.90, 922,729.05 and 194,672.70 is: 291,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,267.90 : 922,729.05 = 194,672.70 : x
  2. Step 2: Convert to fraction form
    615,267.90/922,729.05 = 194,672.70/x
  3. Step 3: Cross multiply
    615,267.90x = 922,729.05 × 194,672.70
  4. Step 4: Simplify right side
    615,267.90x = 179,630,155,531.94
  5. Step 5: Solve for x
    x = 179,630,155,531.94/615,267.90
  6. Step 6: Final answer
    x = 291,954.38

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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.