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Finding the Fourth Proportional to 634,325.33, 875,380.97 and 347,828.33

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Solution

The fourth proportional to 634,325.33, 875,380.97 and 347,828.33 is: 480,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,325.33 : 875,380.97 = 347,828.33 : x
  2. Step 2: Convert to fraction form
    634,325.33/875,380.97 = 347,828.33/x
  3. Step 3: Cross multiply
    634,325.33x = 875,380.97 × 347,828.33
  4. Step 4: Simplify right side
    634,325.33x = 304,482,299,169.74
  5. Step 5: Solve for x
    x = 304,482,299,169.74/634,325.33
  6. Step 6: Final answer
    x = 480,009.68

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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.