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Finding the Fourth Proportional to 634,753.44, 876,015.18 and 348,329.52

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Solution

The fourth proportional to 634,753.44, 876,015.18 and 348,329.52 is: 480,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,753.44 : 876,015.18 = 348,329.52 : x
  2. Step 2: Convert to fraction form
    634,753.44/876,015.18 = 348,329.52/x
  3. Step 3: Cross multiply
    634,753.44x = 876,015.18 × 348,329.52
  4. Step 4: Simplify right side
    634,753.44x = 305,141,947,162.11
  5. Step 5: Solve for x
    x = 305,141,947,162.11/634,753.44
  6. Step 6: Final answer
    x = 480,725.16

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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.