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Finding the Fourth Proportional to 363,228, 501,254.88 and 212,326.08

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Solution

The fourth proportional to 363,228, 501,254.88 and 212,326.08 is: 293,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,228 : 501,254.88 = 212,326.08 : x
  2. Step 2: Convert to fraction form
    363,228/501,254.88 = 212,326.08/x
  3. Step 3: Cross multiply
    363,228x = 501,254.88 × 212,326.08
  4. Step 4: Simplify right side
    363,228x = 106,429,483,751.27
  5. Step 5: Solve for x
    x = 106,429,483,751.27/363,228
  6. Step 6: Final answer
    x = 293,010.13

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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.