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Finding the Fourth Proportional to 2,702,868.62, 4,054,659.68 and 998,210.10

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Solution

The fourth proportional to 2,702,868.62, 4,054,659.68 and 998,210.10 is: 1,497,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,868.62 : 4,054,659.68 = 998,210.10 : x
  2. Step 2: Convert to fraction form
    2,702,868.62/4,054,659.68 = 998,210.10/x
  3. Step 3: Cross multiply
    2,702,868.62x = 4,054,659.68 × 998,210.10
  4. Step 4: Simplify right side
    2,702,868.62x = 4,047,402,244,638.77
  5. Step 5: Solve for x
    x = 4,047,402,244,638.77/2,702,868.62
  6. Step 6: Final answer
    x = 1,497,446.90

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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.