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Finding the Fourth Proportional to 514,277.25, 771,266.93 and 154,433.57

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Solution

The fourth proportional to 514,277.25, 771,266.93 and 154,433.57 is: 231,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,277.25 : 771,266.93 = 154,433.57 : x
  2. Step 2: Convert to fraction form
    514,277.25/771,266.93 = 154,433.57/x
  3. Step 3: Cross multiply
    514,277.25x = 771,266.93 × 154,433.57
  4. Step 4: Simplify right side
    514,277.25x = 119,109,505,422.84
  5. Step 5: Solve for x
    x = 119,109,505,422.84/514,277.25
  6. Step 6: Final answer
    x = 231,605.63

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1.5x scale

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.