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Finding the Fourth Proportional to 354,752.52, 489,559.86 and 193,611.20

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Solution

The fourth proportional to 354,752.52, 489,559.86 and 193,611.20 is: 267,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,752.52 : 489,559.86 = 193,611.20 : x
  2. Step 2: Convert to fraction form
    354,752.52/489,559.86 = 193,611.20/x
  3. Step 3: Cross multiply
    354,752.52x = 489,559.86 × 193,611.20
  4. Step 4: Simplify right side
    354,752.52x = 94,784,269,518.63
  5. Step 5: Solve for x
    x = 94,784,269,518.63/354,752.52
  6. Step 6: Final answer
    x = 267,184.20

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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.