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Finding the Fourth Proportional to 436,651.66, 602,652.63 and 252,863.38

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Solution

The fourth proportional to 436,651.66, 602,652.63 and 252,863.38 is: 348,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,651.66 : 602,652.63 = 252,863.38 : x
  2. Step 2: Convert to fraction form
    436,651.66/602,652.63 = 252,863.38/x
  3. Step 3: Cross multiply
    436,651.66x = 602,652.63 × 252,863.38
  4. Step 4: Simplify right side
    436,651.66x = 152,388,780,987.69
  5. Step 5: Solve for x
    x = 152,388,780,987.69/436,651.66
  6. Step 6: Final answer
    x = 348,993.93

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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.