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Finding the Fourth Proportional to 951,889.68, 1,426,888.12 and 477,126

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Solution

The fourth proportional to 951,889.68, 1,426,888.12 and 477,126 is: 715,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,889.68 : 1,426,888.12 = 477,126 : x
  2. Step 2: Convert to fraction form
    951,889.68/1,426,888.12 = 477,126/x
  3. Step 3: Cross multiply
    951,889.68x = 1,426,888.12 × 477,126
  4. Step 4: Simplify right side
    951,889.68x = 680,805,421,143.12
  5. Step 5: Solve for x
    x = 680,805,421,143.12/951,889.68
  6. Step 6: Final answer
    x = 715,214.63

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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.