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Finding the Fourth Proportional to 399,610.93, 596,501.37 and 349,165.03

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Solution

The fourth proportional to 399,610.93, 596,501.37 and 349,165.03 is: 521,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,610.93 : 596,501.37 = 349,165.03 : x
  2. Step 2: Convert to fraction form
    399,610.93/596,501.37 = 349,165.03/x
  3. Step 3: Cross multiply
    399,610.93x = 596,501.37 × 349,165.03
  4. Step 4: Simplify right side
    399,610.93x = 208,277,418,751.09
  5. Step 5: Solve for x
    x = 208,277,418,751.09/399,610.93
  6. Step 6: Final answer
    x = 521,200.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.