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Finding the Fourth Proportional to 528,500.97, 729,026.33 and 337,298.85

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Solution

The fourth proportional to 528,500.97, 729,026.33 and 337,298.85 is: 465,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,500.97 : 729,026.33 = 337,298.85 : x
  2. Step 2: Convert to fraction form
    528,500.97/729,026.33 = 337,298.85/x
  3. Step 3: Cross multiply
    528,500.97x = 729,026.33 × 337,298.85
  4. Step 4: Simplify right side
    528,500.97x = 245,899,741,042.23
  5. Step 5: Solve for x
    x = 245,899,741,042.23/528,500.97
  6. Step 6: Final answer
    x = 465,277.75

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1.5x scale

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.