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Finding the Fourth Proportional to 307,599.20, 461,471.70 and 157,862.60

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Solution

The fourth proportional to 307,599.20, 461,471.70 and 157,862.60 is: 236,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,599.20 : 461,471.70 = 157,862.60 : x
  2. Step 2: Convert to fraction form
    307,599.20/461,471.70 = 157,862.60/x
  3. Step 3: Cross multiply
    307,599.20x = 461,471.70 × 157,862.60
  4. Step 4: Simplify right side
    307,599.20x = 72,849,122,388.42
  5. Step 5: Solve for x
    x = 72,849,122,388.42/307,599.20
  6. Step 6: Final answer
    x = 236,831.31

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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.