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Finding the Fourth Proportional to 614,943.40, 922,587.90 and 299,410.60

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Solution

The fourth proportional to 614,943.40, 922,587.90 and 299,410.60 is: 449,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,943.40 : 922,587.90 = 299,410.60 : x
  2. Step 2: Convert to fraction form
    614,943.40/922,587.90 = 299,410.60/x
  3. Step 3: Cross multiply
    614,943.40x = 922,587.90 × 299,410.60
  4. Step 4: Simplify right side
    614,943.40x = 276,232,596,691.74
  5. Step 5: Solve for x
    x = 276,232,596,691.74/614,943.40
  6. Step 6: Final answer
    x = 449,200.03

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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.