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Finding the Fourth Proportional to 635,563.16, 953,346.28 and 155,793.11

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Solution

The fourth proportional to 635,563.16, 953,346.28 and 155,793.11 is: 233,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,563.16 : 953,346.28 = 155,793.11 : x
  2. Step 2: Convert to fraction form
    635,563.16/953,346.28 = 155,793.11/x
  3. Step 3: Cross multiply
    635,563.16x = 953,346.28 × 155,793.11
  4. Step 4: Simplify right side
    635,563.16x = 148,524,780,478.25
  5. Step 5: Solve for x
    x = 148,524,780,478.25/635,563.16
  6. Step 6: Final answer
    x = 233,690.04

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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.