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Finding the Fourth Proportional to 539,568.40, 808,704.60 and 223,862.80

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Solution

The fourth proportional to 539,568.40, 808,704.60 and 223,862.80 is: 335,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,568.40 : 808,704.60 = 223,862.80 : x
  2. Step 2: Convert to fraction form
    539,568.40/808,704.60 = 223,862.80/x
  3. Step 3: Cross multiply
    539,568.40x = 808,704.60 × 223,862.80
  4. Step 4: Simplify right side
    539,568.40x = 181,038,876,128.88
  5. Step 5: Solve for x
    x = 181,038,876,128.88/539,568.40
  6. Step 6: Final answer
    x = 335,525.35

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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.