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Finding the Fourth Proportional to 622,839.16, 934,174.14 and 243,496

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Solution

The fourth proportional to 622,839.16, 934,174.14 and 243,496 is: 365,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,839.16 : 934,174.14 = 243,496 : x
  2. Step 2: Convert to fraction form
    622,839.16/934,174.14 = 243,496/x
  3. Step 3: Cross multiply
    622,839.16x = 934,174.14 × 243,496
  4. Step 4: Simplify right side
    622,839.16x = 227,467,666,393.44
  5. Step 5: Solve for x
    x = 227,467,666,393.44/622,839.16
  6. Step 6: Final answer
    x = 365,210.93

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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.