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Finding the Fourth Proportional to 3,079,377, 4,618,768.56 and 948,889.08

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Solution

The fourth proportional to 3,079,377, 4,618,768.56 and 948,889.08 is: 1,423,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,377 : 4,618,768.56 = 948,889.08 : x
  2. Step 2: Convert to fraction form
    3,079,377/4,618,768.56 = 948,889.08/x
  3. Step 3: Cross multiply
    3,079,377x = 4,618,768.56 × 948,889.08
  4. Step 4: Simplify right side
    3,079,377x = 4,382,699,049,631.32
  5. Step 5: Solve for x
    x = 4,382,699,049,631.32/3,079,377
  6. Step 6: Final answer
    x = 1,423,242.12

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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.