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Finding the Fourth Proportional to 539,215.88, 808,843.26 and 202,222.40

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Solution

The fourth proportional to 539,215.88, 808,843.26 and 202,222.40 is: 303,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,215.88 : 808,843.26 = 202,222.40 : x
  2. Step 2: Convert to fraction form
    539,215.88/808,843.26 = 202,222.40/x
  3. Step 3: Cross multiply
    539,215.88x = 808,843.26 × 202,222.40
  4. Step 4: Simplify right side
    539,215.88x = 163,566,225,261.02
  5. Step 5: Solve for x
    x = 163,566,225,261.02/539,215.88
  6. Step 6: Final answer
    x = 303,340.89

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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.