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Finding the Fourth Proportional to 330,582.66, 495,864.78 and 222,264.18

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Solution

The fourth proportional to 330,582.66, 495,864.78 and 222,264.18 is: 333,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,582.66 : 495,864.78 = 222,264.18 : x
  2. Step 2: Convert to fraction form
    330,582.66/495,864.78 = 222,264.18/x
  3. Step 3: Cross multiply
    330,582.66x = 495,864.78 × 222,264.18
  4. Step 4: Simplify right side
    330,582.66x = 110,212,978,717.58
  5. Step 5: Solve for x
    x = 110,212,978,717.58/330,582.66
  6. Step 6: Final answer
    x = 333,390.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.