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Finding the Fourth Proportional to 372,597.62, 514,255.58 and 211,467.76

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Solution

The fourth proportional to 372,597.62, 514,255.58 and 211,467.76 is: 291,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,597.62 : 514,255.58 = 211,467.76 : x
  2. Step 2: Convert to fraction form
    372,597.62/514,255.58 = 211,467.76/x
  3. Step 3: Cross multiply
    372,597.62x = 514,255.58 × 211,467.76
  4. Step 4: Simplify right side
    372,597.62x = 108,748,475,570.10
  5. Step 5: Solve for x
    x = 108,748,475,570.10/372,597.62
  6. Step 6: Final answer
    x = 291,865.73

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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.