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Finding the Fourth Proportional to 307,254.24, 460,976.40 and 157,600.80

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Solution

The fourth proportional to 307,254.24, 460,976.40 and 157,600.80 is: 236,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,254.24 : 460,976.40 = 157,600.80 : x
  2. Step 2: Convert to fraction form
    307,254.24/460,976.40 = 157,600.80/x
  3. Step 3: Cross multiply
    307,254.24x = 460,976.40 × 157,600.80
  4. Step 4: Simplify right side
    307,254.24x = 72,650,249,421.12
  5. Step 5: Solve for x
    x = 72,650,249,421.12/307,254.24
  6. Step 6: Final answer
    x = 236,449.95

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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.