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Finding the Fourth Proportional to 338,589.61, 467,243.53 and 185,622.57

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Solution

The fourth proportional to 338,589.61, 467,243.53 and 185,622.57 is: 256,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,589.61 : 467,243.53 = 185,622.57 : x
  2. Step 2: Convert to fraction form
    338,589.61/467,243.53 = 185,622.57/x
  3. Step 3: Cross multiply
    338,589.61x = 467,243.53 × 185,622.57
  4. Step 4: Simplify right side
    338,589.61x = 86,730,944,390.42
  5. Step 5: Solve for x
    x = 86,730,944,390.42/338,589.61
  6. Step 6: Final answer
    x = 256,153.59

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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.