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Finding the Fourth Proportional to 436,375.32, 602,185.74 and 264,395.11

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Solution

The fourth proportional to 436,375.32, 602,185.74 and 264,395.11 is: 364,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,375.32 : 602,185.74 = 264,395.11 : x
  2. Step 2: Convert to fraction form
    436,375.32/602,185.74 = 264,395.11/x
  3. Step 3: Cross multiply
    436,375.32x = 602,185.74 × 264,395.11
  4. Step 4: Simplify right side
    436,375.32x = 159,214,964,967.73
  5. Step 5: Solve for x
    x = 159,214,964,967.73/436,375.32
  6. Step 6: Final answer
    x = 364,857.86

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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.