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Finding the Fourth Proportional to 525,660.80, 788,766.60 and 241,437.20

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Solution

The fourth proportional to 525,660.80, 788,766.60 and 241,437.20 is: 362,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,660.80 : 788,766.60 = 241,437.20 : x
  2. Step 2: Convert to fraction form
    525,660.80/788,766.60 = 241,437.20/x
  3. Step 3: Cross multiply
    525,660.80x = 788,766.60 × 241,437.20
  4. Step 4: Simplify right side
    525,660.80x = 190,437,599,357.52
  5. Step 5: Solve for x
    x = 190,437,599,357.52/525,660.80
  6. Step 6: Final answer
    x = 362,282.29

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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.