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Finding the Fourth Proportional to 384,366.60, 530,324.82 and 233,434.44

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Solution

The fourth proportional to 384,366.60, 530,324.82 and 233,434.44 is: 322,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,366.60 : 530,324.82 = 233,434.44 : x
  2. Step 2: Convert to fraction form
    384,366.60/530,324.82 = 233,434.44/x
  3. Step 3: Cross multiply
    384,366.60x = 530,324.82 × 233,434.44
  4. Step 4: Simplify right side
    384,366.60x = 123,796,077,374.80
  5. Step 5: Solve for x
    x = 123,796,077,374.80/384,366.60
  6. Step 6: Final answer
    x = 322,078.13

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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.