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Finding the Fourth Proportional to 634,754.04, 876,017.34 and 348,329.94

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Solution

The fourth proportional to 634,754.04, 876,017.34 and 348,329.94 is: 480,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,754.04 : 876,017.34 = 348,329.94 : x
  2. Step 2: Convert to fraction form
    634,754.04/876,017.34 = 348,329.94/x
  3. Step 3: Cross multiply
    634,754.04x = 876,017.34 × 348,329.94
  4. Step 4: Simplify right side
    634,754.04x = 305,143,067,481.16
  5. Step 5: Solve for x
    x = 305,143,067,481.16/634,754.04
  6. Step 6: Final answer
    x = 480,726.47

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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.