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Finding the Fourth Proportional to 635,048.10, 876,215.61 and 359,409.69

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Solution

The fourth proportional to 635,048.10, 876,215.61 and 359,409.69 is: 495,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,048.10 : 876,215.61 = 359,409.69 : x
  2. Step 2: Convert to fraction form
    635,048.10/876,215.61 = 359,409.69/x
  3. Step 3: Cross multiply
    635,048.10x = 876,215.61 × 359,409.69
  4. Step 4: Simplify right side
    635,048.10x = 314,920,380,763.26
  5. Step 5: Solve for x
    x = 314,920,380,763.26/635,048.10
  6. Step 6: Final answer
    x = 495,900.04

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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.