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Finding the Fourth Proportional to 436,441.70, 602,199.24 and 255,118.55

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Solution

The fourth proportional to 436,441.70, 602,199.24 and 255,118.55 is: 352,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,441.70 : 602,199.24 = 255,118.55 : x
  2. Step 2: Convert to fraction form
    436,441.70/602,199.24 = 255,118.55/x
  3. Step 3: Cross multiply
    436,441.70x = 602,199.24 × 255,118.55
  4. Step 4: Simplify right side
    436,441.70x = 153,632,193,908.91
  5. Step 5: Solve for x
    x = 153,632,193,908.91/436,441.70
  6. Step 6: Final answer
    x = 352,010.81

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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.