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Finding the Fourth Proportional to 233,257.80, 349,368.30 and 191,785.80

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Solution

The fourth proportional to 233,257.80, 349,368.30 and 191,785.80 is: 287,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,257.80 : 349,368.30 = 191,785.80 : x
  2. Step 2: Convert to fraction form
    233,257.80/349,368.30 = 191,785.80/x
  3. Step 3: Cross multiply
    233,257.80x = 349,368.30 × 191,785.80
  4. Step 4: Simplify right side
    233,257.80x = 67,003,878,910.14
  5. Step 5: Solve for x
    x = 67,003,878,910.14/233,257.80
  6. Step 6: Final answer
    x = 287,252.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.