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Finding the Fourth Proportional to 442,862.83, 610,940.22 and 261,453.23

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Solution

The fourth proportional to 442,862.83, 610,940.22 and 261,453.23 is: 360,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,862.83 : 610,940.22 = 261,453.23 : x
  2. Step 2: Convert to fraction form
    442,862.83/610,940.22 = 261,453.23/x
  3. Step 3: Cross multiply
    442,862.83x = 610,940.22 × 261,453.23
  4. Step 4: Simplify right side
    442,862.83x = 159,732,293,855.91
  5. Step 5: Solve for x
    x = 159,732,293,855.91/442,862.83
  6. Step 6: Final answer
    x = 360,681.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.