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Finding the Fourth Proportional to 544,886.88, 817,836.48 and 278,838.24

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Solution

The fourth proportional to 544,886.88, 817,836.48 and 278,838.24 is: 418,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,886.88 : 817,836.48 = 278,838.24 : x
  2. Step 2: Convert to fraction form
    544,886.88/817,836.48 = 278,838.24/x
  3. Step 3: Cross multiply
    544,886.88x = 817,836.48 × 278,838.24
  4. Step 4: Simplify right side
    544,886.88x = 228,044,084,691.00
  5. Step 5: Solve for x
    x = 228,044,084,691.00/544,886.88
  6. Step 6: Final answer
    x = 418,516.38

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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.