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Finding the Fourth Proportional to 372,003.73, 513,405.26 and 210,841.48

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Solution

The fourth proportional to 372,003.73, 513,405.26 and 210,841.48 is: 290,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,003.73 : 513,405.26 = 210,841.48 : x
  2. Step 2: Convert to fraction form
    372,003.73/513,405.26 = 210,841.48/x
  3. Step 3: Cross multiply
    372,003.73x = 513,405.26 × 210,841.48
  4. Step 4: Simplify right side
    372,003.73x = 108,247,124,858.19
  5. Step 5: Solve for x
    x = 108,247,124,858.19/372,003.73
  6. Step 6: Final answer
    x = 290,983.98

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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.