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Finding the Fourth Proportional to 634,773.15, 875,988 and 348,295.41

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Solution

The fourth proportional to 634,773.15, 875,988 and 348,295.41 is: 480,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,773.15 : 875,988 = 348,295.41 : x
  2. Step 2: Convert to fraction form
    634,773.15/875,988 = 348,295.41/x
  3. Step 3: Cross multiply
    634,773.15x = 875,988 × 348,295.41
  4. Step 4: Simplify right side
    634,773.15x = 305,102,599,615.08
  5. Step 5: Solve for x
    x = 305,102,599,615.08/634,773.15
  6. Step 6: Final answer
    x = 480,648.24

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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.