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Finding the Fourth Proportional to 634,951.15, 876,205.15 and 348,476.11

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Solution

The fourth proportional to 634,951.15, 876,205.15 and 348,476.11 is: 480,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,951.15 : 876,205.15 = 348,476.11 : x
  2. Step 2: Convert to fraction form
    634,951.15/876,205.15 = 348,476.11/x
  3. Step 3: Cross multiply
    634,951.15x = 876,205.15 × 348,476.11
  4. Step 4: Simplify right side
    634,951.15x = 305,336,562,233.97
  5. Step 5: Solve for x
    x = 305,336,562,233.97/634,951.15
  6. Step 6: Final answer
    x = 480,881.97

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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.