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Finding the Fourth Proportional to 554,785.22, 765,580.65 and 350,947.10

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Solution

The fourth proportional to 554,785.22, 765,580.65 and 350,947.10 is: 484,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,785.22 : 765,580.65 = 350,947.10 : x
  2. Step 2: Convert to fraction form
    554,785.22/765,580.65 = 350,947.10/x
  3. Step 3: Cross multiply
    554,785.22x = 765,580.65 × 350,947.10
  4. Step 4: Simplify right side
    554,785.22x = 268,678,305,105.71
  5. Step 5: Solve for x
    x = 268,678,305,105.71/554,785.22
  6. Step 6: Final answer
    x = 484,292.48

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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.