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Finding the Fourth Proportional to 262,497.72, 362,243.70 and 149,320.20

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Solution

The fourth proportional to 262,497.72, 362,243.70 and 149,320.20 is: 206,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,497.72 : 362,243.70 = 149,320.20 : x
  2. Step 2: Convert to fraction form
    262,497.72/362,243.70 = 149,320.20/x
  3. Step 3: Cross multiply
    262,497.72x = 362,243.70 × 149,320.20
  4. Step 4: Simplify right side
    262,497.72x = 54,090,301,732.74
  5. Step 5: Solve for x
    x = 54,090,301,732.74/262,497.72
  6. Step 6: Final answer
    x = 206,060.08

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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.