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Finding the Fourth Proportional to 265,798,876.80, 398,698,315.20 and 241,565,167.20

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Solution

The fourth proportional to 265,798,876.80, 398,698,315.20 and 241,565,167.20 is: 362,347,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,798,876.80 : 398,698,315.20 = 241,565,167.20 : x
  2. Step 2: Convert to fraction form
    265,798,876.80/398,698,315.20 = 241,565,167.20/x
  3. Step 3: Cross multiply
    265,798,876.80x = 398,698,315.20 × 241,565,167.20
  4. Step 4: Simplify right side
    265,798,876.80x = 96,311,625,173,646,288
  5. Step 5: Solve for x
    x = 96,311,625,173,646,288/265,798,876.80
  6. Step 6: Final answer
    x = 362,347,750.80

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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.