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Finding the Fourth Proportional to 526,296.48, 726,371.07 and 345,532.74

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Solution

The fourth proportional to 526,296.48, 726,371.07 and 345,532.74 is: 476,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,296.48 : 726,371.07 = 345,532.74 : x
  2. Step 2: Convert to fraction form
    526,296.48/726,371.07 = 345,532.74/x
  3. Step 3: Cross multiply
    526,296.48x = 726,371.07 × 345,532.74
  4. Step 4: Simplify right side
    526,296.48x = 250,984,986,073.83
  5. Step 5: Solve for x
    x = 250,984,986,073.83/526,296.48
  6. Step 6: Final answer
    x = 476,888.97

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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.