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Finding the Fourth Proportional to 361,479.53, 498,398.33 and 293,303.45

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Solution

The fourth proportional to 361,479.53, 498,398.33 and 293,303.45 is: 404,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,479.53 : 498,398.33 = 293,303.45 : x
  2. Step 2: Convert to fraction form
    361,479.53/498,398.33 = 293,303.45/x
  3. Step 3: Cross multiply
    361,479.53x = 498,398.33 × 293,303.45
  4. Step 4: Simplify right side
    361,479.53x = 146,181,948,196.72
  5. Step 5: Solve for x
    x = 146,181,948,196.72/361,479.53
  6. Step 6: Final answer
    x = 404,398.97

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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.