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Finding the Fourth Proportional to 234,582.33, 323,909.95 and 216,670.80

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Solution

The fourth proportional to 234,582.33, 323,909.95 and 216,670.80 is: 299,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,582.33 : 323,909.95 = 216,670.80 : x
  2. Step 2: Convert to fraction form
    234,582.33/323,909.95 = 216,670.80/x
  3. Step 3: Cross multiply
    234,582.33x = 323,909.95 × 216,670.80
  4. Step 4: Simplify right side
    234,582.33x = 70,181,827,994.46
  5. Step 5: Solve for x
    x = 70,181,827,994.46/234,582.33
  6. Step 6: Final answer
    x = 299,177.81

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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.