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Finding the Fourth Proportional to 615,222.30, 922,833.45 and 194,627.10

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Solution

The fourth proportional to 615,222.30, 922,833.45 and 194,627.10 is: 291,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,222.30 : 922,833.45 = 194,627.10 : x
  2. Step 2: Convert to fraction form
    615,222.30/922,833.45 = 194,627.10/x
  3. Step 3: Cross multiply
    615,222.30x = 922,833.45 × 194,627.10
  4. Step 4: Simplify right side
    615,222.30x = 179,608,398,156.50
  5. Step 5: Solve for x
    x = 179,608,398,156.50/615,222.30
  6. Step 6: Final answer
    x = 291,940.65

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Similar ratio
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1.5x scale

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.