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Finding the Fourth Proportional to 352,425.43, 486,347.52 and 191,280.52

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Solution

The fourth proportional to 352,425.43, 486,347.52 and 191,280.52 is: 263,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,425.43 : 486,347.52 = 191,280.52 : x
  2. Step 2: Convert to fraction form
    352,425.43/486,347.52 = 191,280.52/x
  3. Step 3: Cross multiply
    352,425.43x = 486,347.52 × 191,280.52
  4. Step 4: Simplify right side
    352,425.43x = 93,028,807,851.55
  5. Step 5: Solve for x
    x = 93,028,807,851.55/352,425.43
  6. Step 6: Final answer
    x = 263,967.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.