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Finding the Fourth Proportional to 3,154,708.92, 4,731,326.10 and 1,024,246.20

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Solution

The fourth proportional to 3,154,708.92, 4,731,326.10 and 1,024,246.20 is: 1,536,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,708.92 : 4,731,326.10 = 1,024,246.20 : x
  2. Step 2: Convert to fraction form
    3,154,708.92/4,731,326.10 = 1,024,246.20/x
  3. Step 3: Cross multiply
    3,154,708.92x = 4,731,326.10 × 1,024,246.20
  4. Step 4: Simplify right side
    3,154,708.92x = 4,846,042,778,885.82
  5. Step 5: Solve for x
    x = 4,846,042,778,885.82/3,154,708.92
  6. Step 6: Final answer
    x = 1,536,129.93

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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.