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Finding the Fourth Proportional to 436,357.61, 602,247.44 and 252,569.55

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Solution

The fourth proportional to 436,357.61, 602,247.44 and 252,569.55 is: 348,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,357.61 : 602,247.44 = 252,569.55 : x
  2. Step 2: Convert to fraction form
    436,357.61/602,247.44 = 252,569.55/x
  3. Step 3: Cross multiply
    436,357.61x = 602,247.44 × 252,569.55
  4. Step 4: Simplify right side
    436,357.61x = 152,109,365,540.88
  5. Step 5: Solve for x
    x = 152,109,365,540.88/436,357.61
  6. Step 6: Final answer
    x = 348,588.78

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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.