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Finding the Fourth Proportional to 622,163.20, 933,244.80 and 248,454.40

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Solution

The fourth proportional to 622,163.20, 933,244.80 and 248,454.40 is: 372,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,163.20 : 933,244.80 = 248,454.40 : x
  2. Step 2: Convert to fraction form
    622,163.20/933,244.80 = 248,454.40/x
  3. Step 3: Cross multiply
    622,163.20x = 933,244.80 × 248,454.40
  4. Step 4: Simplify right side
    622,163.20x = 231,868,776,837.12
  5. Step 5: Solve for x
    x = 231,868,776,837.12/622,163.20
  6. Step 6: Final answer
    x = 372,681.60

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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.