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Finding the Fourth Proportional to 615,097.40, 922,473.30 and 194,502.20

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Solution

The fourth proportional to 615,097.40, 922,473.30 and 194,502.20 is: 291,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,097.40 : 922,473.30 = 194,502.20 : x
  2. Step 2: Convert to fraction form
    615,097.40/922,473.30 = 194,502.20/x
  3. Step 3: Cross multiply
    615,097.40x = 922,473.30 × 194,502.20
  4. Step 4: Simplify right side
    615,097.40x = 179,423,086,291.26
  5. Step 5: Solve for x
    x = 179,423,086,291.26/615,097.40
  6. Step 6: Final answer
    x = 291,698.66

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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.