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Finding the Fourth Proportional to 302,893.92, 417,995.22 and 173,822.12

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Solution

The fourth proportional to 302,893.92, 417,995.22 and 173,822.12 is: 239,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,893.92 : 417,995.22 = 173,822.12 : x
  2. Step 2: Convert to fraction form
    302,893.92/417,995.22 = 173,822.12/x
  3. Step 3: Cross multiply
    302,893.92x = 417,995.22 × 173,822.12
  4. Step 4: Simplify right side
    302,893.92x = 72,656,815,290.27
  5. Step 5: Solve for x
    x = 72,656,815,290.27/302,893.92
  6. Step 6: Final answer
    x = 239,875.45

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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.