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Finding the Fourth Proportional to 484,176.40, 668,182.44 and 293,081.68

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Solution

The fourth proportional to 484,176.40, 668,182.44 and 293,081.68 is: 404,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,176.40 : 668,182.44 = 293,081.68 : x
  2. Step 2: Convert to fraction form
    484,176.40/668,182.44 = 293,081.68/x
  3. Step 3: Cross multiply
    484,176.40x = 668,182.44 × 293,081.68
  4. Step 4: Simplify right side
    484,176.40x = 195,832,032,061.70
  5. Step 5: Solve for x
    x = 195,832,032,061.70/484,176.40
  6. Step 6: Final answer
    x = 404,464.22

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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.