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Finding the Fourth Proportional to 635,544.28, 877,061.66 and 349,090.84

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Solution

The fourth proportional to 635,544.28, 877,061.66 and 349,090.84 is: 481,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,544.28 : 877,061.66 = 349,090.84 : x
  2. Step 2: Convert to fraction form
    635,544.28/877,061.66 = 349,090.84/x
  3. Step 3: Cross multiply
    635,544.28x = 877,061.66 × 349,090.84
  4. Step 4: Simplify right side
    635,544.28x = 306,174,191,621.19
  5. Step 5: Solve for x
    x = 306,174,191,621.19/635,544.28
  6. Step 6: Final answer
    x = 481,751.16

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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.