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Finding the Fourth Proportional to 356,805.61, 492,398.49 and 195,651.05

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Solution

The fourth proportional to 356,805.61, 492,398.49 and 195,651.05 is: 270,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,805.61 : 492,398.49 = 195,651.05 : x
  2. Step 2: Convert to fraction form
    356,805.61/492,398.49 = 195,651.05/x
  3. Step 3: Cross multiply
    356,805.61x = 492,398.49 × 195,651.05
  4. Step 4: Simplify right side
    356,805.61x = 96,338,279,858.61
  5. Step 5: Solve for x
    x = 96,338,279,858.61/356,805.61
  6. Step 6: Final answer
    x = 270,002.15

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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.