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Finding the Fourth Proportional to 635,616.10, 953,314.80 and 236,051.20

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Solution

The fourth proportional to 635,616.10, 953,314.80 and 236,051.20 is: 354,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,616.10 : 953,314.80 = 236,051.20 : x
  2. Step 2: Convert to fraction form
    635,616.10/953,314.80 = 236,051.20/x
  3. Step 3: Cross multiply
    635,616.10x = 953,314.80 × 236,051.20
  4. Step 4: Simplify right side
    635,616.10x = 225,031,102,517.76
  5. Step 5: Solve for x
    x = 225,031,102,517.76/635,616.10
  6. Step 6: Final answer
    x = 354,036.19

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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.