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Finding the Fourth Proportional to 835,432.82, 1,152,879.57 and 453,459.60

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Solution

The fourth proportional to 835,432.82, 1,152,879.57 and 453,459.60 is: 625,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,432.82 : 1,152,879.57 = 453,459.60 : x
  2. Step 2: Convert to fraction form
    835,432.82/1,152,879.57 = 453,459.60/x
  3. Step 3: Cross multiply
    835,432.82x = 1,152,879.57 × 453,459.60
  4. Step 4: Simplify right side
    835,432.82x = 522,784,308,660.37
  5. Step 5: Solve for x
    x = 522,784,308,660.37/835,432.82
  6. Step 6: Final answer
    x = 625,764.63

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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.