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Finding the Fourth Proportional to 462,533.87, 638,310.81 and 258,593.39

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Solution

The fourth proportional to 462,533.87, 638,310.81 and 258,593.39 is: 356,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,533.87 : 638,310.81 = 258,593.39 : x
  2. Step 2: Convert to fraction form
    462,533.87/638,310.81 = 258,593.39/x
  3. Step 3: Cross multiply
    462,533.87x = 638,310.81 × 258,593.39
  4. Step 4: Simplify right side
    462,533.87x = 165,062,952,426.25
  5. Step 5: Solve for x
    x = 165,062,952,426.25/462,533.87
  6. Step 6: Final answer
    x = 356,866.74

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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.