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Finding the Fourth Proportional to 635,851.02, 877,474.89 and 349,389.66

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Solution

The fourth proportional to 635,851.02, 877,474.89 and 349,389.66 is: 482,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,851.02 : 877,474.89 = 349,389.66 : x
  2. Step 2: Convert to fraction form
    635,851.02/877,474.89 = 349,389.66/x
  3. Step 3: Cross multiply
    635,851.02x = 877,474.89 × 349,389.66
  4. Step 4: Simplify right side
    635,851.02x = 306,580,653,475.64
  5. Step 5: Solve for x
    x = 306,580,653,475.64/635,851.02
  6. Step 6: Final answer
    x = 482,158.00

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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.