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Finding the Fourth Proportional to 372,786.99, 514,460.61 and 211,657.04

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Solution

The fourth proportional to 372,786.99, 514,460.61 and 211,657.04 is: 292,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,786.99 : 514,460.61 = 211,657.04 : x
  2. Step 2: Convert to fraction form
    372,786.99/514,460.61 = 211,657.04/x
  3. Step 3: Cross multiply
    372,786.99x = 514,460.61 × 211,657.04
  4. Step 4: Simplify right side
    372,786.99x = 108,889,207,336.89
  5. Step 5: Solve for x
    x = 108,889,207,336.89/372,786.99
  6. Step 6: Final answer
    x = 292,094.98

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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.