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Finding the Fourth Proportional to 524,246.25, 785,367.57 and 439,400.22

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Solution

The fourth proportional to 524,246.25, 785,367.57 and 439,400.22 is: 658,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,246.25 : 785,367.57 = 439,400.22 : x
  2. Step 2: Convert to fraction form
    524,246.25/785,367.57 = 439,400.22/x
  3. Step 3: Cross multiply
    524,246.25x = 785,367.57 × 439,400.22
  4. Step 4: Simplify right side
    524,246.25x = 345,090,681,391.12
  5. Step 5: Solve for x
    x = 345,090,681,391.12/524,246.25
  6. Step 6: Final answer
    x = 658,260.66

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Similar ratio
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1.5x scale

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.