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Finding the Fourth Proportional to 315,956, 473,951.28 and 94,357.28

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Solution

The fourth proportional to 315,956, 473,951.28 and 94,357.28 is: 141,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,956 : 473,951.28 = 94,357.28 : x
  2. Step 2: Convert to fraction form
    315,956/473,951.28 = 94,357.28/x
  3. Step 3: Cross multiply
    315,956x = 473,951.28 × 94,357.28
  4. Step 4: Simplify right side
    315,956x = 44,720,753,633.32
  5. Step 5: Solve for x
    x = 44,720,753,633.32/315,956
  6. Step 6: Final answer
    x = 141,541.08

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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.