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Finding the Fourth Proportional to 404,070.66, 606,479.88 and 204,531.18

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Solution

The fourth proportional to 404,070.66, 606,479.88 and 204,531.18 is: 306,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,070.66 : 606,479.88 = 204,531.18 : x
  2. Step 2: Convert to fraction form
    404,070.66/606,479.88 = 204,531.18/x
  3. Step 3: Cross multiply
    404,070.66x = 606,479.88 × 204,531.18
  4. Step 4: Simplify right side
    404,070.66x = 124,044,045,502.66
  5. Step 5: Solve for x
    x = 124,044,045,502.66/404,070.66
  6. Step 6: Final answer
    x = 306,986.02

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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.