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Finding the Fourth Proportional to 442,033.40, 610,079.22 and 260,789.63

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Solution

The fourth proportional to 442,033.40, 610,079.22 and 260,789.63 is: 359,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,033.40 : 610,079.22 = 260,789.63 : x
  2. Step 2: Convert to fraction form
    442,033.40/610,079.22 = 260,789.63/x
  3. Step 3: Cross multiply
    442,033.40x = 610,079.22 × 260,789.63
  4. Step 4: Simplify right side
    442,033.40x = 159,102,331,004.09
  5. Step 5: Solve for x
    x = 159,102,331,004.09/442,033.40
  6. Step 6: Final answer
    x = 359,932.83

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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.