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Finding the Fourth Proportional to 373,728.60, 560,767.86 and 163,339.20

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Solution

The fourth proportional to 373,728.60, 560,767.86 and 163,339.20 is: 245,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,728.60 : 560,767.86 = 163,339.20 : x
  2. Step 2: Convert to fraction form
    373,728.60/560,767.86 = 163,339.20/x
  3. Step 3: Cross multiply
    373,728.60x = 560,767.86 × 163,339.20
  4. Step 4: Simplify right side
    373,728.60x = 91,595,373,638.11
  5. Step 5: Solve for x
    x = 91,595,373,638.11/373,728.60
  6. Step 6: Final answer
    x = 245,085.27

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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.