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Finding the Fourth Proportional to 635,302.93, 876,730.58 and 348,820.51

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Solution

The fourth proportional to 635,302.93, 876,730.58 and 348,820.51 is: 481,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,302.93 : 876,730.58 = 348,820.51 : x
  2. Step 2: Convert to fraction form
    635,302.93/876,730.58 = 348,820.51/x
  3. Step 3: Cross multiply
    635,302.93x = 876,730.58 × 348,820.51
  4. Step 4: Simplify right side
    635,302.93x = 305,821,606,728.42
  5. Step 5: Solve for x
    x = 305,821,606,728.42/635,302.93
  6. Step 6: Final answer
    x = 481,379.19

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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.