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Finding the Fourth Proportional to 3,928,508.31, 5,893,649.07 and 1,196,300.13

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Solution

The fourth proportional to 3,928,508.31, 5,893,649.07 and 1,196,300.13 is: 1,794,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,508.31 : 5,893,649.07 = 1,196,300.13 : x
  2. Step 2: Convert to fraction form
    3,928,508.31/5,893,649.07 = 1,196,300.13/x
  3. Step 3: Cross multiply
    3,928,508.31x = 5,893,649.07 × 1,196,300.13
  4. Step 4: Simplify right side
    3,928,508.31x = 7,050,573,148,615.38
  5. Step 5: Solve for x
    x = 7,050,573,148,615.38/3,928,508.31
  6. Step 6: Final answer
    x = 1,794,720.18

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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.