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Finding the Fourth Proportional to 265,720,909.80, 398,581,364.70 and 241,487,200.20

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Solution

The fourth proportional to 265,720,909.80, 398,581,364.70 and 241,487,200.20 is: 362,230,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,909.80 : 398,581,364.70 = 241,487,200.20 : x
  2. Step 2: Convert to fraction form
    265,720,909.80/398,581,364.70 = 241,487,200.20/x
  3. Step 3: Cross multiply
    265,720,909.80x = 398,581,364.70 × 241,487,200.20
  4. Step 4: Simplify right side
    265,720,909.80x = 96,252,297,813,298,112
  5. Step 5: Solve for x
    x = 96,252,297,813,298,112/265,720,909.80
  6. Step 6: Final answer
    x = 362,230,800.30

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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.