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Finding the Fourth Proportional to 527,144.58, 726,915.78 and 450,916.02

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Solution

The fourth proportional to 527,144.58, 726,915.78 and 450,916.02 is: 621,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,144.58 : 726,915.78 = 450,916.02 : x
  2. Step 2: Convert to fraction form
    527,144.58/726,915.78 = 450,916.02/x
  3. Step 3: Cross multiply
    527,144.58x = 726,915.78 × 450,916.02
  4. Step 4: Simplify right side
    527,144.58x = 327,777,970,392.80
  5. Step 5: Solve for x
    x = 327,777,970,392.80/527,144.58
  6. Step 6: Final answer
    x = 621,799.00

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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.