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Finding the Fourth Proportional to 307,256.24, 460,979.40 and 157,602.80

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Solution

The fourth proportional to 307,256.24, 460,979.40 and 157,602.80 is: 236,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,256.24 : 460,979.40 = 157,602.80 : x
  2. Step 2: Convert to fraction form
    307,256.24/460,979.40 = 157,602.80/x
  3. Step 3: Cross multiply
    307,256.24x = 460,979.40 × 157,602.80
  4. Step 4: Simplify right side
    307,256.24x = 72,651,644,182.32
  5. Step 5: Solve for x
    x = 72,651,644,182.32/307,256.24
  6. Step 6: Final answer
    x = 236,452.95

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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.