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Finding the Fourth Proportional to 539,168.80, 808,461.60 and 223,657.60

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Solution

The fourth proportional to 539,168.80, 808,461.60 and 223,657.60 is: 335,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,168.80 : 808,461.60 = 223,657.60 : x
  2. Step 2: Convert to fraction form
    539,168.80/808,461.60 = 223,657.60/x
  3. Step 3: Cross multiply
    539,168.80x = 808,461.60 × 223,657.60
  4. Step 4: Simplify right side
    539,168.80x = 180,818,581,148.16
  5. Step 5: Solve for x
    x = 180,818,581,148.16/539,168.80
  6. Step 6: Final answer
    x = 335,365.44

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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.