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Finding the Fourth Proportional to 539,723.90, 744,506.74 and 348,737.29

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Solution

The fourth proportional to 539,723.90, 744,506.74 and 348,737.29 is: 481,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,723.90 : 744,506.74 = 348,737.29 : x
  2. Step 2: Convert to fraction form
    539,723.90/744,506.74 = 348,737.29/x
  3. Step 3: Cross multiply
    539,723.90x = 744,506.74 × 348,737.29
  4. Step 4: Simplify right side
    539,723.90x = 259,637,260,161.23
  5. Step 5: Solve for x
    x = 259,637,260,161.23/539,723.90
  6. Step 6: Final answer
    x = 481,055.71

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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.