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Finding the Fourth Proportional to 350,701.60, 525,663.60 and 193,043.20

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Solution

The fourth proportional to 350,701.60, 525,663.60 and 193,043.20 is: 289,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,701.60 : 525,663.60 = 193,043.20 : x
  2. Step 2: Convert to fraction form
    350,701.60/525,663.60 = 193,043.20/x
  3. Step 3: Cross multiply
    350,701.60x = 525,663.60 × 193,043.20
  4. Step 4: Simplify right side
    350,701.60x = 101,475,783,467.52
  5. Step 5: Solve for x
    x = 101,475,783,467.52/350,701.60
  6. Step 6: Final answer
    x = 289,350.79

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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.