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Finding the Fourth Proportional to 312,417.37, 468,310.44 and 123,010.63

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Solution

The fourth proportional to 312,417.37, 468,310.44 and 123,010.63 is: 184,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,417.37 : 468,310.44 = 123,010.63 : x
  2. Step 2: Convert to fraction form
    312,417.37/468,310.44 = 123,010.63/x
  3. Step 3: Cross multiply
    312,417.37x = 468,310.44 × 123,010.63
  4. Step 4: Simplify right side
    312,417.37x = 57,607,162,259.98
  5. Step 5: Solve for x
    x = 57,607,162,259.98/312,417.37
  6. Step 6: Final answer
    x = 184,391.68

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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.