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Finding the Fourth Proportional to 506,761.36, 760,021.08 and 151,680.04

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Solution

The fourth proportional to 506,761.36, 760,021.08 and 151,680.04 is: 227,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,761.36 : 760,021.08 = 151,680.04 : x
  2. Step 2: Convert to fraction form
    506,761.36/760,021.08 = 151,680.04/x
  3. Step 3: Cross multiply
    506,761.36x = 760,021.08 × 151,680.04
  4. Step 4: Simplify right side
    506,761.36x = 115,280,027,815.24
  5. Step 5: Solve for x
    x = 115,280,027,815.24/506,761.36
  6. Step 6: Final answer
    x = 227,483.86

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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.