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Finding the Fourth Proportional to 2,199,130.65, 3,298,695.98 and 2,199,130.65

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Solution

The fourth proportional to 2,199,130.65, 3,298,695.98 and 2,199,130.65 is: 3,298,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,130.65 : 3,298,695.98 = 2,199,130.65 : x
  2. Step 2: Convert to fraction form
    2,199,130.65/3,298,695.98 = 2,199,130.65/x
  3. Step 3: Cross multiply
    2,199,130.65x = 3,298,695.98 × 2,199,130.65
  4. Step 4: Simplify right side
    2,199,130.65x = 7,254,263,423,654.13
  5. Step 5: Solve for x
    x = 7,254,263,423,654.13/2,199,130.65
  6. Step 6: Final answer
    x = 3,298,695.98

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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.