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Finding the Fourth Proportional to 467,525.20, 701,287.80 and 290,232.40

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Solution

The fourth proportional to 467,525.20, 701,287.80 and 290,232.40 is: 435,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,525.20 : 701,287.80 = 290,232.40 : x
  2. Step 2: Convert to fraction form
    467,525.20/701,287.80 = 290,232.40/x
  3. Step 3: Cross multiply
    467,525.20x = 701,287.80 × 290,232.40
  4. Step 4: Simplify right side
    467,525.20x = 203,536,441,284.72
  5. Step 5: Solve for x
    x = 203,536,441,284.72/467,525.20
  6. Step 6: Final answer
    x = 435,348.60

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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.