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Finding the Fourth Proportional to 614,914.93, 922,077.15 and 348,603.94

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Solution

The fourth proportional to 614,914.93, 922,077.15 and 348,603.94 is: 522,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,914.93 : 922,077.15 = 348,603.94 : x
  2. Step 2: Convert to fraction form
    614,914.93/922,077.15 = 348,603.94/x
  3. Step 3: Cross multiply
    614,914.93x = 922,077.15 × 348,603.94
  4. Step 4: Simplify right side
    614,914.93x = 321,439,727,473.97
  5. Step 5: Solve for x
    x = 321,439,727,473.97/614,914.93
  6. Step 6: Final answer
    x = 522,738.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.