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Finding the Fourth Proportional to 363,503.22, 501,623.18 and 202,354.70

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Solution

The fourth proportional to 363,503.22, 501,623.18 and 202,354.70 is: 279,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,503.22 : 501,623.18 = 202,354.70 : x
  2. Step 2: Convert to fraction form
    363,503.22/501,623.18 = 202,354.70/x
  3. Step 3: Cross multiply
    363,503.22x = 501,623.18 × 202,354.70
  4. Step 4: Simplify right side
    363,503.22x = 101,505,808,101.95
  5. Step 5: Solve for x
    x = 101,505,808,101.95/363,503.22
  6. Step 6: Final answer
    x = 279,243.22

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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.