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Finding the Fourth Proportional to 418,281.84, 577,227.96 and 236,993.40

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Solution

The fourth proportional to 418,281.84, 577,227.96 and 236,993.40 is: 327,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,281.84 : 577,227.96 = 236,993.40 : x
  2. Step 2: Convert to fraction form
    418,281.84/577,227.96 = 236,993.40/x
  3. Step 3: Cross multiply
    418,281.84x = 577,227.96 × 236,993.40
  4. Step 4: Simplify right side
    418,281.84x = 136,799,216,815.46
  5. Step 5: Solve for x
    x = 136,799,216,815.46/418,281.84
  6. Step 6: Final answer
    x = 327,050.34

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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.