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Finding the Fourth Proportional to 534,716.73, 802,075.70 and 135,357.48

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Solution

The fourth proportional to 534,716.73, 802,075.70 and 135,357.48 is: 203,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,716.73 : 802,075.70 = 135,357.48 : x
  2. Step 2: Convert to fraction form
    534,716.73/802,075.70 = 135,357.48/x
  3. Step 3: Cross multiply
    534,716.73x = 802,075.70 × 135,357.48
  4. Step 4: Simplify right side
    534,716.73x = 108,566,944,844.45
  5. Step 5: Solve for x
    x = 108,566,944,844.45/534,716.73
  6. Step 6: Final answer
    x = 203,036.37

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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.