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Finding the Fourth Proportional to 615,234.60, 922,851.90 and 165,954.60

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Solution

The fourth proportional to 615,234.60, 922,851.90 and 165,954.60 is: 248,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,234.60 : 922,851.90 = 165,954.60 : x
  2. Step 2: Convert to fraction form
    615,234.60/922,851.90 = 165,954.60/x
  3. Step 3: Cross multiply
    615,234.60x = 922,851.90 × 165,954.60
  4. Step 4: Simplify right side
    615,234.60x = 153,151,517,923.74
  5. Step 5: Solve for x
    x = 153,151,517,923.74/615,234.60
  6. Step 6: Final answer
    x = 248,931.90

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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.