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Finding the Fourth Proportional to 544,641.88, 817,079.46 and 228,916.84

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Solution

The fourth proportional to 544,641.88, 817,079.46 and 228,916.84 is: 343,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,641.88 : 817,079.46 = 228,916.84 : x
  2. Step 2: Convert to fraction form
    544,641.88/817,079.46 = 228,916.84/x
  3. Step 3: Cross multiply
    544,641.88x = 817,079.46 × 228,916.84
  4. Step 4: Simplify right side
    544,641.88x = 187,043,248,012.11
  5. Step 5: Solve for x
    x = 187,043,248,012.11/544,641.88
  6. Step 6: Final answer
    x = 343,424.28

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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.