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Finding the Fourth Proportional to 572,472.12, 857,724.03 and 446,063.52

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Solution

The fourth proportional to 572,472.12, 857,724.03 and 446,063.52 is: 668,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,472.12 : 857,724.03 = 446,063.52 : x
  2. Step 2: Convert to fraction form
    572,472.12/857,724.03 = 446,063.52/x
  3. Step 3: Cross multiply
    572,472.12x = 857,724.03 × 446,063.52
  4. Step 4: Simplify right side
    572,472.12x = 382,599,400,010.39
  5. Step 5: Solve for x
    x = 382,599,400,010.39/572,472.12
  6. Step 6: Final answer
    x = 668,328.44

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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.