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Finding the Fourth Proportional to 341,937.60, 511,984.80 and 247,934.40

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Solution

The fourth proportional to 341,937.60, 511,984.80 and 247,934.40 is: 371,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,937.60 : 511,984.80 = 247,934.40 : x
  2. Step 2: Convert to fraction form
    341,937.60/511,984.80 = 247,934.40/x
  3. Step 3: Cross multiply
    341,937.60x = 511,984.80 × 247,934.40
  4. Step 4: Simplify right side
    341,937.60x = 126,938,644,197.12
  5. Step 5: Solve for x
    x = 126,938,644,197.12/341,937.60
  6. Step 6: Final answer
    x = 371,233.36

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1.5x scale

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.