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Finding the Fourth Proportional to 372,513, 514,067.94 and 202,748.34

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Solution

The fourth proportional to 372,513, 514,067.94 and 202,748.34 is: 279,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,513 : 514,067.94 = 202,748.34 : x
  2. Step 2: Convert to fraction form
    372,513/514,067.94 = 202,748.34/x
  3. Step 3: Cross multiply
    372,513x = 514,067.94 × 202,748.34
  4. Step 4: Simplify right side
    372,513x = 104,226,421,482.22
  5. Step 5: Solve for x
    x = 104,226,421,482.22/372,513
  6. Step 6: Final answer
    x = 279,792.71

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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.