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Finding the Fourth Proportional to 573,203.60, 859,805.40 and 363,078.80

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Solution

The fourth proportional to 573,203.60, 859,805.40 and 363,078.80 is: 544,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,203.60 : 859,805.40 = 363,078.80 : x
  2. Step 2: Convert to fraction form
    573,203.60/859,805.40 = 363,078.80/x
  3. Step 3: Cross multiply
    573,203.60x = 859,805.40 × 363,078.80
  4. Step 4: Simplify right side
    573,203.60x = 312,177,112,865.52
  5. Step 5: Solve for x
    x = 312,177,112,865.52/573,203.60
  6. Step 6: Final answer
    x = 544,618.20

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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.