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Finding the Fourth Proportional to 296,296.40, 444,586.08 and 138,501.92

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Solution

The fourth proportional to 296,296.40, 444,586.08 and 138,501.92 is: 207,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,296.40 : 444,586.08 = 138,501.92 : x
  2. Step 2: Convert to fraction form
    296,296.40/444,586.08 = 138,501.92/x
  3. Step 3: Cross multiply
    296,296.40x = 444,586.08 × 138,501.92
  4. Step 4: Simplify right side
    296,296.40x = 61,576,025,685.27
  5. Step 5: Solve for x
    x = 61,576,025,685.27/296,296.40
  6. Step 6: Final answer
    x = 207,819.01

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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.