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Finding the Fourth Proportional to 614,400.58, 922,010.77 and 215,041.37

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Solution

The fourth proportional to 614,400.58, 922,010.77 and 215,041.37 is: 322,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,400.58 : 922,010.77 = 215,041.37 : x
  2. Step 2: Convert to fraction form
    614,400.58/922,010.77 = 215,041.37/x
  3. Step 3: Cross multiply
    614,400.58x = 922,010.77 × 215,041.37
  4. Step 4: Simplify right side
    614,400.58x = 198,270,459,135.56
  5. Step 5: Solve for x
    x = 198,270,459,135.56/614,400.58
  6. Step 6: Final answer
    x = 322,705.52

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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.