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Finding the Fourth Proportional to 372,253.02, 513,800.43 and 211,202.34

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Solution

The fourth proportional to 372,253.02, 513,800.43 and 211,202.34 is: 291,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,253.02 : 513,800.43 = 211,202.34 : x
  2. Step 2: Convert to fraction form
    372,253.02/513,800.43 = 211,202.34/x
  3. Step 3: Cross multiply
    372,253.02x = 513,800.43 × 211,202.34
  4. Step 4: Simplify right side
    372,253.02x = 108,515,853,109.01
  5. Step 5: Solve for x
    x = 108,515,853,109.01/372,253.02
  6. Step 6: Final answer
    x = 291,511.01

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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.