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Finding the Fourth Proportional to 521,282.34, 781,987.91 and 184,253.49

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Solution

The fourth proportional to 521,282.34, 781,987.91 and 184,253.49 is: 276,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,282.34 : 781,987.91 = 184,253.49 : x
  2. Step 2: Convert to fraction form
    521,282.34/781,987.91 = 184,253.49/x
  3. Step 3: Cross multiply
    521,282.34x = 781,987.91 × 184,253.49
  4. Step 4: Simplify right side
    521,282.34x = 144,084,000,634.04
  5. Step 5: Solve for x
    x = 144,084,000,634.04/521,282.34
  6. Step 6: Final answer
    x = 276,403.00

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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.