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Finding the Fourth Proportional to 653,184, 979,837.92 and 253,855.56

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Solution

The fourth proportional to 653,184, 979,837.92 and 253,855.56 is: 380,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,184 : 979,837.92 = 253,855.56 : x
  2. Step 2: Convert to fraction form
    653,184/979,837.92 = 253,855.56/x
  3. Step 3: Cross multiply
    653,184x = 979,837.92 × 253,855.56
  4. Step 4: Simplify right side
    653,184x = 248,737,303,890.84
  5. Step 5: Solve for x
    x = 248,737,303,890.84/653,184
  6. Step 6: Final answer
    x = 380,807.40

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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.