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Finding the Fourth Proportional to 615,345.40, 923,151.66 and 188,882.92

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Solution

The fourth proportional to 615,345.40, 923,151.66 and 188,882.92 is: 283,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,345.40 : 923,151.66 = 188,882.92 : x
  2. Step 2: Convert to fraction form
    615,345.40/923,151.66 = 188,882.92/x
  3. Step 3: Cross multiply
    615,345.40x = 923,151.66 × 188,882.92
  4. Step 4: Simplify right side
    615,345.40x = 174,367,581,143.65
  5. Step 5: Solve for x
    x = 174,367,581,143.65/615,345.40
  6. Step 6: Final answer
    x = 283,365.38

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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.