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Finding the Fourth Proportional to 363,477.48, 501,587.18 and 202,327.20

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Solution

The fourth proportional to 363,477.48, 501,587.18 and 202,327.20 is: 279,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,477.48 : 501,587.18 = 202,327.20 : x
  2. Step 2: Convert to fraction form
    363,477.48/501,587.18 = 202,327.20/x
  3. Step 3: Cross multiply
    363,477.48x = 501,587.18 × 202,327.20
  4. Step 4: Simplify right side
    363,477.48x = 101,484,729,685.30
  5. Step 5: Solve for x
    x = 101,484,729,685.30/363,477.48
  6. Step 6: Final answer
    x = 279,205.00

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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.