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Finding the Fourth Proportional to 456,959.04, 685,881.36 and 220,468.04

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Solution

The fourth proportional to 456,959.04, 685,881.36 and 220,468.04 is: 330,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,959.04 : 685,881.36 = 220,468.04 : x
  2. Step 2: Convert to fraction form
    456,959.04/685,881.36 = 220,468.04/x
  3. Step 3: Cross multiply
    456,959.04x = 685,881.36 × 220,468.04
  4. Step 4: Simplify right side
    456,959.04x = 151,214,919,111.73
  5. Step 5: Solve for x
    x = 151,214,919,111.73/456,959.04
  6. Step 6: Final answer
    x = 330,915.70

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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.