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Finding the Fourth Proportional to 3,068,657.30, 4,602,819.04 and 938,741.40

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Solution

The fourth proportional to 3,068,657.30, 4,602,819.04 and 938,741.40 is: 1,408,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068,657.30 : 4,602,819.04 = 938,741.40 : x
  2. Step 2: Convert to fraction form
    3,068,657.30/4,602,819.04 = 938,741.40/x
  3. Step 3: Cross multiply
    3,068,657.30x = 4,602,819.04 × 938,741.40
  4. Step 4: Simplify right side
    3,068,657.30x = 4,320,856,789,556.26
  5. Step 5: Solve for x
    x = 4,320,856,789,556.26/3,068,657.30
  6. Step 6: Final answer
    x = 1,408,061.04

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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.