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Finding the Fourth Proportional to 824,654.10, 1,235,924.08 and 717,593.16

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Solution

The fourth proportional to 824,654.10, 1,235,924.08 and 717,593.16 is: 1,075,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,654.10 : 1,235,924.08 = 717,593.16 : x
  2. Step 2: Convert to fraction form
    824,654.10/1,235,924.08 = 717,593.16/x
  3. Step 3: Cross multiply
    824,654.10x = 1,235,924.08 × 717,593.16
  4. Step 4: Simplify right side
    824,654.10x = 886,890,666,087.29
  5. Step 5: Solve for x
    x = 886,890,666,087.29/824,654.10
  6. Step 6: Final answer
    x = 1,075,469.90

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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.