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Finding the Fourth Proportional to 291,620.52, 437,275.26 and 151,030.44

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Solution

The fourth proportional to 291,620.52, 437,275.26 and 151,030.44 is: 226,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,620.52 : 437,275.26 = 151,030.44 : x
  2. Step 2: Convert to fraction form
    291,620.52/437,275.26 = 151,030.44/x
  3. Step 3: Cross multiply
    291,620.52x = 437,275.26 × 151,030.44
  4. Step 4: Simplify right side
    291,620.52x = 66,041,874,918.91
  5. Step 5: Solve for x
    x = 66,041,874,918.91/291,620.52
  6. Step 6: Final answer
    x = 226,465.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.