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Finding the Fourth Proportional to 635,607.06, 877,152.89 and 349,133.15

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Solution

The fourth proportional to 635,607.06, 877,152.89 and 349,133.15 is: 481,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,607.06 : 877,152.89 = 349,133.15 : x
  2. Step 2: Convert to fraction form
    635,607.06/877,152.89 = 349,133.15/x
  3. Step 3: Cross multiply
    635,607.06x = 877,152.89 × 349,133.15
  4. Step 4: Simplify right side
    635,607.06x = 306,243,145,385.87
  5. Step 5: Solve for x
    x = 306,243,145,385.87/635,607.06
  6. Step 6: Final answer
    x = 481,812.06

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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.