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Finding the Fourth Proportional to 614,629.66, 922,079.88 and 188,168.68

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Solution

The fourth proportional to 614,629.66, 922,079.88 and 188,168.68 is: 282,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,629.66 : 922,079.88 = 188,168.68 : x
  2. Step 2: Convert to fraction form
    614,629.66/922,079.88 = 188,168.68/x
  3. Step 3: Cross multiply
    614,629.66x = 922,079.88 × 188,168.68
  4. Step 4: Simplify right side
    614,629.66x = 173,506,553,874.16
  5. Step 5: Solve for x
    x = 173,506,553,874.16/614,629.66
  6. Step 6: Final answer
    x = 282,294.47

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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.