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Finding the Fourth Proportional to 2,764,723.04, 4,146,462.48 and 991,795.04

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Solution

The fourth proportional to 2,764,723.04, 4,146,462.48 and 991,795.04 is: 1,487,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,723.04 : 4,146,462.48 = 991,795.04 : x
  2. Step 2: Convert to fraction form
    2,764,723.04/4,146,462.48 = 991,795.04/x
  3. Step 3: Cross multiply
    2,764,723.04x = 4,146,462.48 × 991,795.04
  4. Step 4: Simplify right side
    2,764,723.04x = 4,112,440,921,210.10
  5. Step 5: Solve for x
    x = 4,112,440,921,210.10/2,764,723.04
  6. Step 6: Final answer
    x = 1,487,469.40

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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.