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Finding the Fourth Proportional to 6,358,947.17, 8,775,262.31 and 3,458,275.61

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Solution

The fourth proportional to 6,358,947.17, 8,775,262.31 and 3,458,275.61 is: 4,772,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358,947.17 : 8,775,262.31 = 3,458,275.61 : x
  2. Step 2: Convert to fraction form
    6,358,947.17/8,775,262.31 = 3,458,275.61/x
  3. Step 3: Cross multiply
    6,358,947.17x = 8,775,262.31 × 3,458,275.61
  4. Step 4: Simplify right side
    6,358,947.17x = 30,347,275,556,857.57
  5. Step 5: Solve for x
    x = 30,347,275,556,857.57/6,358,947.17
  6. Step 6: Final answer
    x = 4,772,374.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.