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Finding the Fourth Proportional to 372,234.51, 513,544.42 and 219,179.13

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Solution

The fourth proportional to 372,234.51, 513,544.42 and 219,179.13 is: 302,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,234.51 : 513,544.42 = 219,179.13 : x
  2. Step 2: Convert to fraction form
    372,234.51/513,544.42 = 219,179.13/x
  3. Step 3: Cross multiply
    372,234.51x = 513,544.42 × 219,179.13
  4. Step 4: Simplify right side
    372,234.51x = 112,558,219,191.96
  5. Step 5: Solve for x
    x = 112,558,219,191.96/372,234.51
  6. Step 6: Final answer
    x = 302,385.23

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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.