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Finding the Fourth Proportional to 372,035.35, 513,426.35 and 210,893.54

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Solution

The fourth proportional to 372,035.35, 513,426.35 and 210,893.54 is: 291,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,035.35 : 513,426.35 = 210,893.54 : x
  2. Step 2: Convert to fraction form
    372,035.35/513,426.35 = 210,893.54/x
  3. Step 3: Cross multiply
    372,035.35x = 513,426.35 × 210,893.54
  4. Step 4: Simplify right side
    372,035.35x = 108,278,299,426.31
  5. Step 5: Solve for x
    x = 108,278,299,426.31/372,035.35
  6. Step 6: Final answer
    x = 291,043.04

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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.