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Finding the Fourth Proportional to 360,445.52, 540,967.80 and 192,149.84

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Solution

The fourth proportional to 360,445.52, 540,967.80 and 192,149.84 is: 288,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,445.52 : 540,967.80 = 192,149.84 : x
  2. Step 2: Convert to fraction form
    360,445.52/540,967.80 = 192,149.84/x
  3. Step 3: Cross multiply
    360,445.52x = 540,967.80 × 192,149.84
  4. Step 4: Simplify right side
    360,445.52x = 103,946,876,215.15
  5. Step 5: Solve for x
    x = 103,946,876,215.15/360,445.52
  6. Step 6: Final answer
    x = 288,384.43

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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.