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Finding the Fourth Proportional to 550,417.91, 825,708.94 and 195,402.20

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Solution

The fourth proportional to 550,417.91, 825,708.94 and 195,402.20 is: 293,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,417.91 : 825,708.94 = 195,402.20 : x
  2. Step 2: Convert to fraction form
    550,417.91/825,708.94 = 195,402.20/x
  3. Step 3: Cross multiply
    550,417.91x = 825,708.94 × 195,402.20
  4. Step 4: Simplify right side
    550,417.91x = 161,345,338,818.62
  5. Step 5: Solve for x
    x = 161,345,338,818.62/550,417.91
  6. Step 6: Final answer
    x = 293,132.43

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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.