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Finding the Fourth Proportional to 635,053.37, 876,376.46 and 348,575.81

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Solution

The fourth proportional to 635,053.37, 876,376.46 and 348,575.81 is: 481,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,053.37 : 876,376.46 = 348,575.81 : x
  2. Step 2: Convert to fraction form
    635,053.37/876,376.46 = 348,575.81/x
  3. Step 3: Cross multiply
    635,053.37x = 876,376.46 × 348,575.81
  4. Step 4: Simplify right side
    635,053.37x = 305,483,630,898.99
  5. Step 5: Solve for x
    x = 305,483,630,898.99/635,053.37
  6. Step 6: Final answer
    x = 481,036.16

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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.