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Finding the Fourth Proportional to 468,562.30, 702,843.54 and 169,042.78

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Solution

The fourth proportional to 468,562.30, 702,843.54 and 169,042.78 is: 253,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,562.30 : 702,843.54 = 169,042.78 : x
  2. Step 2: Convert to fraction form
    468,562.30/702,843.54 = 169,042.78/x
  3. Step 3: Cross multiply
    468,562.30x = 702,843.54 × 169,042.78
  4. Step 4: Simplify right side
    468,562.30x = 118,810,621,547.21
  5. Step 5: Solve for x
    x = 118,810,621,547.21/468,562.30
  6. Step 6: Final answer
    x = 253,564.20

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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.