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Finding the Fourth Proportional to 356,364.08, 491,783.01 and 195,215.59

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Solution

The fourth proportional to 356,364.08, 491,783.01 and 195,215.59 is: 269,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,364.08 : 491,783.01 = 195,215.59 : x
  2. Step 2: Convert to fraction form
    356,364.08/491,783.01 = 195,215.59/x
  3. Step 3: Cross multiply
    356,364.08x = 491,783.01 × 195,215.59
  4. Step 4: Simplify right side
    356,364.08x = 96,003,710,449.13
  5. Step 5: Solve for x
    x = 96,003,710,449.13/356,364.08
  6. Step 6: Final answer
    x = 269,397.83

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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.