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Finding the Fourth Proportional to 265,720,612.80, 398,580,919.20 and 241,486,903.20

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Solution

The fourth proportional to 265,720,612.80, 398,580,919.20 and 241,486,903.20 is: 362,230,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,612.80 : 398,580,919.20 = 241,486,903.20 : x
  2. Step 2: Convert to fraction form
    265,720,612.80/398,580,919.20 = 241,486,903.20/x
  3. Step 3: Cross multiply
    265,720,612.80x = 398,580,919.20 × 241,486,903.20
  4. Step 4: Simplify right side
    265,720,612.80x = 96,252,071,852,217,408
  5. Step 5: Solve for x
    x = 96,252,071,852,217,408/265,720,612.80
  6. Step 6: Final answer
    x = 362,230,354.80

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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.