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Finding the Fourth Proportional to 285,081.33, 427,326.72 and 234,631.34

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Solution

The fourth proportional to 285,081.33, 427,326.72 and 234,631.34 is: 351,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,081.33 : 427,326.72 = 234,631.34 : x
  2. Step 2: Convert to fraction form
    285,081.33/427,326.72 = 234,631.34/x
  3. Step 3: Cross multiply
    285,081.33x = 427,326.72 × 234,631.34
  4. Step 4: Simplify right side
    285,081.33x = 100,264,238,794.77
  5. Step 5: Solve for x
    x = 100,264,238,794.77/285,081.33
  6. Step 6: Final answer
    x = 351,703.98

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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.