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Finding the Fourth Proportional to 2,176,235.30, 3,049,878.70 and 2,176,235.30

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Solution

The fourth proportional to 2,176,235.30, 3,049,878.70 and 2,176,235.30 is: 3,049,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,235.30 : 3,049,878.70 = 2,176,235.30 : x
  2. Step 2: Convert to fraction form
    2,176,235.30/3,049,878.70 = 2,176,235.30/x
  3. Step 3: Cross multiply
    2,176,235.30x = 3,049,878.70 × 2,176,235.30
  4. Step 4: Simplify right side
    2,176,235.30x = 6,637,253,687,658.11
  5. Step 5: Solve for x
    x = 6,637,253,687,658.11/2,176,235.30
  6. Step 6: Final answer
    x = 3,049,878.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.