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Finding the Fourth Proportional to 265,275.80, 397,778.52 and 130,348.84

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Solution

The fourth proportional to 265,275.80, 397,778.52 and 130,348.84 is: 195,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,275.80 : 397,778.52 = 130,348.84 : x
  2. Step 2: Convert to fraction form
    265,275.80/397,778.52 = 130,348.84/x
  3. Step 3: Cross multiply
    265,275.80x = 397,778.52 × 130,348.84
  4. Step 4: Simplify right side
    265,275.80x = 51,849,968,658.92
  5. Step 5: Solve for x
    x = 51,849,968,658.92/265,275.80
  6. Step 6: Final answer
    x = 195,456.84

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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.