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Finding the Fourth Proportional to 534,313.93, 801,512.52 and 155,240.80

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Solution

The fourth proportional to 534,313.93, 801,512.52 and 155,240.80 is: 232,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,313.93 : 801,512.52 = 155,240.80 : x
  2. Step 2: Convert to fraction form
    534,313.93/801,512.52 = 155,240.80/x
  3. Step 3: Cross multiply
    534,313.93x = 801,512.52 × 155,240.80
  4. Step 4: Simplify right side
    534,313.93x = 124,427,444,814.82
  5. Step 5: Solve for x
    x = 124,427,444,814.82/534,313.93
  6. Step 6: Final answer
    x = 232,873.29

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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.