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Finding the Fourth Proportional to 442,925.70, 618,696.30 and 442,925.70

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Solution

The fourth proportional to 442,925.70, 618,696.30 and 442,925.70 is: 618,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,925.70 : 618,696.30 = 442,925.70 : x
  2. Step 2: Convert to fraction form
    442,925.70/618,696.30 = 442,925.70/x
  3. Step 3: Cross multiply
    442,925.70x = 618,696.30 × 442,925.70
  4. Step 4: Simplify right side
    442,925.70x = 274,036,491,764.91
  5. Step 5: Solve for x
    x = 274,036,491,764.91/442,925.70
  6. Step 6: Final answer
    x = 618,696.30

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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.