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Finding the Fourth Proportional to 539,159.77, 808,313.50 and 269,149.33

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Solution

The fourth proportional to 539,159.77, 808,313.50 and 269,149.33 is: 403,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,159.77 : 808,313.50 = 269,149.33 : x
  2. Step 2: Convert to fraction form
    539,159.77/808,313.50 = 269,149.33/x
  3. Step 3: Cross multiply
    539,159.77x = 808,313.50 × 269,149.33
  4. Step 4: Simplify right side
    539,159.77x = 217,557,036,954.96
  5. Step 5: Solve for x
    x = 217,557,036,954.96/539,159.77
  6. Step 6: Final answer
    x = 403,511.26

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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.