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Finding the Fourth Proportional to 605,121.60, 907,293.60 and 250,276.80

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Solution

The fourth proportional to 605,121.60, 907,293.60 and 250,276.80 is: 375,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,121.60 : 907,293.60 = 250,276.80 : x
  2. Step 2: Convert to fraction form
    605,121.60/907,293.60 = 250,276.80/x
  3. Step 3: Cross multiply
    605,121.60x = 907,293.60 × 250,276.80
  4. Step 4: Simplify right side
    605,121.60x = 227,074,538,868.48
  5. Step 5: Solve for x
    x = 227,074,538,868.48/605,121.60
  6. Step 6: Final answer
    x = 375,254.39

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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.