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Finding the Fourth Proportional to 307,550.48, 424,419.72 and 173,414.48

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Solution

The fourth proportional to 307,550.48, 424,419.72 and 173,414.48 is: 239,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,550.48 : 424,419.72 = 173,414.48 : x
  2. Step 2: Convert to fraction form
    307,550.48/424,419.72 = 173,414.48/x
  3. Step 3: Cross multiply
    307,550.48x = 424,419.72 × 173,414.48
  4. Step 4: Simplify right side
    307,550.48x = 73,600,525,045.55
  5. Step 5: Solve for x
    x = 73,600,525,045.55/307,550.48
  6. Step 6: Final answer
    x = 239,312.01

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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.