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Finding the Fourth Proportional to 634,859.01, 876,118.82 and 348,376.59

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Solution

The fourth proportional to 634,859.01, 876,118.82 and 348,376.59 is: 480,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,859.01 : 876,118.82 = 348,376.59 : x
  2. Step 2: Convert to fraction form
    634,859.01/876,118.82 = 348,376.59/x
  3. Step 3: Cross multiply
    634,859.01x = 876,118.82 × 348,376.59
  4. Step 4: Simplify right side
    634,859.01x = 305,219,285,204.54
  5. Step 5: Solve for x
    x = 305,219,285,204.54/634,859.01
  6. Step 6: Final answer
    x = 480,767.04

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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.