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Finding the Fourth Proportional to 412,663.03, 569,467.74 and 231,374.40

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Solution

The fourth proportional to 412,663.03, 569,467.74 and 231,374.40 is: 319,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,663.03 : 569,467.74 = 231,374.40 : x
  2. Step 2: Convert to fraction form
    412,663.03/569,467.74 = 231,374.40/x
  3. Step 3: Cross multiply
    412,663.03x = 569,467.74 × 231,374.40
  4. Step 4: Simplify right side
    412,663.03x = 131,760,255,794.20
  5. Step 5: Solve for x
    x = 131,760,255,794.20/412,663.03
  6. Step 6: Final answer
    x = 319,292.61

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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.