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Finding the Fourth Proportional to 425,573.60, 638,382.27 and 110,033.24

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Solution

The fourth proportional to 425,573.60, 638,382.27 and 110,033.24 is: 165,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,573.60 : 638,382.27 = 110,033.24 : x
  2. Step 2: Convert to fraction form
    425,573.60/638,382.27 = 110,033.24/x
  3. Step 3: Cross multiply
    425,573.60x = 638,382.27 × 110,033.24
  4. Step 4: Simplify right side
    425,573.60x = 70,243,266,334.74
  5. Step 5: Solve for x
    x = 70,243,266,334.74/425,573.60
  6. Step 6: Final answer
    x = 165,055.51

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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.