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Finding the Fourth Proportional to 266,255.22, 397,345.02 and 237,856.38

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Solution

The fourth proportional to 266,255.22, 397,345.02 and 237,856.38 is: 354,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,255.22 : 397,345.02 = 237,856.38 : x
  2. Step 2: Convert to fraction form
    266,255.22/397,345.02 = 237,856.38/x
  3. Step 3: Cross multiply
    266,255.22x = 397,345.02 × 237,856.38
  4. Step 4: Simplify right side
    266,255.22x = 94,511,048,068.23
  5. Step 5: Solve for x
    x = 94,511,048,068.23/266,255.22
  6. Step 6: Final answer
    x = 354,964.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.