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Finding the Fourth Proportional to 3,158,402.94, 4,739,470.65 and 1,165,258.62

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Solution

The fourth proportional to 3,158,402.94, 4,739,470.65 and 1,165,258.62 is: 1,748,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,402.94 : 4,739,470.65 = 1,165,258.62 : x
  2. Step 2: Convert to fraction form
    3,158,402.94/4,739,470.65 = 1,165,258.62/x
  3. Step 3: Cross multiply
    3,158,402.94x = 4,739,470.65 × 1,165,258.62
  4. Step 4: Simplify right side
    3,158,402.94x = 5,522,709,029,149.50
  5. Step 5: Solve for x
    x = 5,522,709,029,149.50/3,158,402.94
  6. Step 6: Final answer
    x = 1,748,576.46

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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.