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Finding the Fourth Proportional to 372,631, 514,232 and 202,866.36

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Solution

The fourth proportional to 372,631, 514,232 and 202,866.36 is: 279,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,631 : 514,232 = 202,866.36 : x
  2. Step 2: Convert to fraction form
    372,631/514,232 = 202,866.36/x
  3. Step 3: Cross multiply
    372,631x = 514,232 × 202,866.36
  4. Step 4: Simplify right side
    372,631x = 104,320,374,035.52
  5. Step 5: Solve for x
    x = 104,320,374,035.52/372,631
  6. Step 6: Final answer
    x = 279,956.24

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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.