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Finding the Fourth Proportional to 267,358,902.72, 400,956,713.28 and 184,890,763.20

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Solution

The fourth proportional to 267,358,902.72, 400,956,713.28 and 184,890,763.20 is: 277,279,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,358,902.72 : 400,956,713.28 = 184,890,763.20 : x
  2. Step 2: Convert to fraction form
    267,358,902.72/400,956,713.28 = 184,890,763.20/x
  3. Step 3: Cross multiply
    267,358,902.72x = 400,956,713.28 × 184,890,763.20
  4. Step 4: Simplify right side
    267,358,902.72x = 74,133,192,728,502,768
  5. Step 5: Solve for x
    x = 74,133,192,728,502,768/267,358,902.72
  6. Step 6: Final answer
    x = 277,279,686.50

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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.