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Finding the Fourth Proportional to 635,798.36, 877,357.50 and 349,330.52

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Solution

The fourth proportional to 635,798.36, 877,357.50 and 349,330.52 is: 482,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,798.36 : 877,357.50 = 349,330.52 : x
  2. Step 2: Convert to fraction form
    635,798.36/877,357.50 = 349,330.52/x
  3. Step 3: Cross multiply
    635,798.36x = 877,357.50 × 349,330.52
  4. Step 4: Simplify right side
    635,798.36x = 306,487,751,700.90
  5. Step 5: Solve for x
    x = 306,487,751,700.90/635,798.36
  6. Step 6: Final answer
    x = 482,051.81

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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.