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Finding the Fourth Proportional to 532,439.33, 734,796.02 and 290,744.33

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Solution

The fourth proportional to 532,439.33, 734,796.02 and 290,744.33 is: 401,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,439.33 : 734,796.02 = 290,744.33 : x
  2. Step 2: Convert to fraction form
    532,439.33/734,796.02 = 290,744.33/x
  3. Step 3: Cross multiply
    532,439.33x = 734,796.02 × 290,744.33
  4. Step 4: Simplify right side
    532,439.33x = 213,637,773,574.45
  5. Step 5: Solve for x
    x = 213,637,773,574.45/532,439.33
  6. Step 6: Final answer
    x = 401,243.42

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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.