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Finding the Fourth Proportional to 615,458.16, 923,239.08 and 194,724.72

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Solution

The fourth proportional to 615,458.16, 923,239.08 and 194,724.72 is: 292,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,458.16 : 923,239.08 = 194,724.72 : x
  2. Step 2: Convert to fraction form
    615,458.16/923,239.08 = 194,724.72/x
  3. Step 3: Cross multiply
    615,458.16x = 923,239.08 × 194,724.72
  4. Step 4: Simplify right side
    615,458.16x = 179,777,471,346.06
  5. Step 5: Solve for x
    x = 179,777,471,346.06/615,458.16
  6. Step 6: Final answer
    x = 292,103.48

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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.