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Finding the Fourth Proportional to 363,470.90, 501,604.62 and 202,315.70

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Solution

The fourth proportional to 363,470.90, 501,604.62 and 202,315.70 is: 279,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,470.90 : 501,604.62 = 202,315.70 : x
  2. Step 2: Convert to fraction form
    363,470.90/501,604.62 = 202,315.70/x
  3. Step 3: Cross multiply
    363,470.90x = 501,604.62 × 202,315.70
  4. Step 4: Simplify right side
    363,470.90x = 101,482,489,818.53
  5. Step 5: Solve for x
    x = 101,482,489,818.53/363,470.90
  6. Step 6: Final answer
    x = 279,203.89

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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.