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Finding the Fourth Proportional to 532,561.40, 798,842.10 and 413,588.60

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Solution

The fourth proportional to 532,561.40, 798,842.10 and 413,588.60 is: 620,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,561.40 : 798,842.10 = 413,588.60 : x
  2. Step 2: Convert to fraction form
    532,561.40/798,842.10 = 413,588.60/x
  3. Step 3: Cross multiply
    532,561.40x = 798,842.10 × 413,588.60
  4. Step 4: Simplify right side
    532,561.40x = 330,391,985,760.06
  5. Step 5: Solve for x
    x = 330,391,985,760.06/532,561.40
  6. Step 6: Final answer
    x = 620,382.90

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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.