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Finding the Fourth Proportional to 532,899.80, 799,058.10 and 216,999.80

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Solution

The fourth proportional to 532,899.80, 799,058.10 and 216,999.80 is: 325,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,899.80 : 799,058.10 = 216,999.80 : x
  2. Step 2: Convert to fraction form
    532,899.80/799,058.10 = 216,999.80/x
  3. Step 3: Cross multiply
    532,899.80x = 799,058.10 × 216,999.80
  4. Step 4: Simplify right side
    532,899.80x = 173,395,447,888.38
  5. Step 5: Solve for x
    x = 173,395,447,888.38/532,899.80
  6. Step 6: Final answer
    x = 325,380.96

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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.