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Finding the Fourth Proportional to 484,216.44, 668,223.77 and 266,427.96

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Solution

The fourth proportional to 484,216.44, 668,223.77 and 266,427.96 is: 367,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,216.44 : 668,223.77 = 266,427.96 : x
  2. Step 2: Convert to fraction form
    484,216.44/668,223.77 = 266,427.96/x
  3. Step 3: Cross multiply
    484,216.44x = 668,223.77 × 266,427.96
  4. Step 4: Simplify right side
    484,216.44x = 178,033,495,864.61
  5. Step 5: Solve for x
    x = 178,033,495,864.61/484,216.44
  6. Step 6: Final answer
    x = 367,673.38

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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.