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Finding the Fourth Proportional to 615,452.18, 923,085.92 and 194,673.38

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Solution

The fourth proportional to 615,452.18, 923,085.92 and 194,673.38 is: 291,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,452.18 : 923,085.92 = 194,673.38 : x
  2. Step 2: Convert to fraction form
    615,452.18/923,085.92 = 194,673.38/x
  3. Step 3: Cross multiply
    615,452.18x = 923,085.92 × 194,673.38
  4. Step 4: Simplify right side
    615,452.18x = 179,700,251,948.06
  5. Step 5: Solve for x
    x = 179,700,251,948.06/615,452.18
  6. Step 6: Final answer
    x = 291,980.85

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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.