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Finding the Fourth Proportional to 615,234.30, 922,851.45 and 615,234.30

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Solution

The fourth proportional to 615,234.30, 922,851.45 and 615,234.30 is: 922,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,234.30 : 922,851.45 = 615,234.30 : x
  2. Step 2: Convert to fraction form
    615,234.30/922,851.45 = 615,234.30/x
  3. Step 3: Cross multiply
    615,234.30x = 922,851.45 × 615,234.30
  4. Step 4: Simplify right side
    615,234.30x = 567,769,865,844.74
  5. Step 5: Solve for x
    x = 567,769,865,844.74/615,234.30
  6. Step 6: Final answer
    x = 922,851.45

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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.