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Finding the Fourth Proportional to 296,245.67, 408,818.58 and 160,279.16

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Solution

The fourth proportional to 296,245.67, 408,818.58 and 160,279.16 is: 221,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,245.67 : 408,818.58 = 160,279.16 : x
  2. Step 2: Convert to fraction form
    296,245.67/408,818.58 = 160,279.16/x
  3. Step 3: Cross multiply
    296,245.67x = 408,818.58 × 160,279.16
  4. Step 4: Simplify right side
    296,245.67x = 65,525,098,594.79
  5. Step 5: Solve for x
    x = 65,525,098,594.79/296,245.67
  6. Step 6: Final answer
    x = 221,185.00

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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.