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Finding the Fourth Proportional to 615,302.70, 922,867.65 and 194,621.10

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Solution

The fourth proportional to 615,302.70, 922,867.65 and 194,621.10 is: 291,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,302.70 : 922,867.65 = 194,621.10 : x
  2. Step 2: Convert to fraction form
    615,302.70/922,867.65 = 194,621.10/x
  3. Step 3: Cross multiply
    615,302.70x = 922,867.65 × 194,621.10
  4. Step 4: Simplify right side
    615,302.70x = 179,609,517,197.42
  5. Step 5: Solve for x
    x = 179,609,517,197.42/615,302.70
  6. Step 6: Final answer
    x = 291,904.32

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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.