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Finding the Fourth Proportional to 307,468.00, 424,324.85 and 169,646.25

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Solution

The fourth proportional to 307,468.00, 424,324.85 and 169,646.25 is: 234,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,468.00 : 424,324.85 = 169,646.25 : x
  2. Step 2: Convert to fraction form
    307,468.00/424,324.85 = 169,646.25/x
  3. Step 3: Cross multiply
    307,468.00x = 424,324.85 × 169,646.25
  4. Step 4: Simplify right side
    307,468.00x = 71,985,118,736.08
  5. Step 5: Solve for x
    x = 71,985,118,736.08/307,468.00
  6. Step 6: Final answer
    x = 234,122.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.