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Finding the Fourth Proportional to 302,761.69, 417,811.14 and 168,625.69

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Solution

The fourth proportional to 302,761.69, 417,811.14 and 168,625.69 is: 232,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,761.69 : 417,811.14 = 168,625.69 : x
  2. Step 2: Convert to fraction form
    302,761.69/417,811.14 = 168,625.69/x
  3. Step 3: Cross multiply
    302,761.69x = 417,811.14 × 168,625.69
  4. Step 4: Simplify right side
    302,761.69x = 70,453,690,727.66
  5. Step 5: Solve for x
    x = 70,453,690,727.66/302,761.69
  6. Step 6: Final answer
    x = 232,703.46

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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.