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Finding the Fourth Proportional to 262,355.10, 361,987.83 and 149,240.22

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Solution

The fourth proportional to 262,355.10, 361,987.83 and 149,240.22 is: 205,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,355.10 : 361,987.83 = 149,240.22 : x
  2. Step 2: Convert to fraction form
    262,355.10/361,987.83 = 149,240.22/x
  3. Step 3: Cross multiply
    262,355.10x = 361,987.83 × 149,240.22
  4. Step 4: Simplify right side
    262,355.10x = 54,023,143,386.52
  5. Step 5: Solve for x
    x = 54,023,143,386.52/262,355.10
  6. Step 6: Final answer
    x = 205,916.12

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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.