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Finding the Fourth Proportional to 532,549.51, 734,924.18 and 290,839.20

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Solution

The fourth proportional to 532,549.51, 734,924.18 and 290,839.20 is: 401,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,549.51 : 734,924.18 = 290,839.20 : x
  2. Step 2: Convert to fraction form
    532,549.51/734,924.18 = 290,839.20/x
  3. Step 3: Cross multiply
    532,549.51x = 734,924.18 × 290,839.20
  4. Step 4: Simplify right side
    532,549.51x = 213,744,759,117.66
  5. Step 5: Solve for x
    x = 213,744,759,117.66/532,549.51
  6. Step 6: Final answer
    x = 401,361.29

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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.