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Finding the Fourth Proportional to 614,957.40, 922,608.90 and 299,424.60

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Solution

The fourth proportional to 614,957.40, 922,608.90 and 299,424.60 is: 449,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,957.40 : 922,608.90 = 299,424.60 : x
  2. Step 2: Convert to fraction form
    614,957.40/922,608.90 = 299,424.60/x
  3. Step 3: Cross multiply
    614,957.40x = 922,608.90 × 299,424.60
  4. Step 4: Simplify right side
    614,957.40x = 276,251,800,838.94
  5. Step 5: Solve for x
    x = 276,251,800,838.94/614,957.40
  6. Step 6: Final answer
    x = 449,221.04

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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.