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Finding the Fourth Proportional to 835,584.24, 1,152,984.60 and 477,819.12

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Solution

The fourth proportional to 835,584.24, 1,152,984.60 and 477,819.12 is: 659,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,584.24 : 1,152,984.60 = 477,819.12 : x
  2. Step 2: Convert to fraction form
    835,584.24/1,152,984.60 = 477,819.12/x
  3. Step 3: Cross multiply
    835,584.24x = 1,152,984.60 × 477,819.12
  4. Step 4: Simplify right side
    835,584.24x = 550,918,086,945.55
  5. Step 5: Solve for x
    x = 550,918,086,945.55/835,584.24
  6. Step 6: Final answer
    x = 659,320.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.