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Finding the Fourth Proportional to 298,866,414.20, 448,299,621.30 and 104,996,737.40

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Solution

The fourth proportional to 298,866,414.20, 448,299,621.30 and 104,996,737.40 is: 157,495,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,866,414.20 : 448,299,621.30 = 104,996,737.40 : x
  2. Step 2: Convert to fraction form
    298,866,414.20/448,299,621.30 = 104,996,737.40/x
  3. Step 3: Cross multiply
    298,866,414.20x = 448,299,621.30 × 104,996,737.40
  4. Step 4: Simplify right side
    298,866,414.20x = 47,069,997,614,155,552
  5. Step 5: Solve for x
    x = 47,069,997,614,155,552/298,866,414.20
  6. Step 6: Final answer
    x = 157,495,106.10

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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.