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Finding the Fourth Proportional to 296,458.80, 444,688.20 and 130,246.80

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Solution

The fourth proportional to 296,458.80, 444,688.20 and 130,246.80 is: 195,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,458.80 : 444,688.20 = 130,246.80 : x
  2. Step 2: Convert to fraction form
    296,458.80/444,688.20 = 130,246.80/x
  3. Step 3: Cross multiply
    296,458.80x = 444,688.20 × 130,246.80
  4. Step 4: Simplify right side
    296,458.80x = 57,919,215,047.76
  5. Step 5: Solve for x
    x = 57,919,215,047.76/296,458.80
  6. Step 6: Final answer
    x = 195,370.20

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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.