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Finding the Fourth Proportional to 303,298.74, 454,931.68 and 92,937.29

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Solution

The fourth proportional to 303,298.74, 454,931.68 and 92,937.29 is: 139,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,298.74 : 454,931.68 = 92,937.29 : x
  2. Step 2: Convert to fraction form
    303,298.74/454,931.68 = 92,937.29/x
  3. Step 3: Cross multiply
    303,298.74x = 454,931.68 × 92,937.29
  4. Step 4: Simplify right side
    303,298.74x = 42,280,117,474.35
  5. Step 5: Solve for x
    x = 42,280,117,474.35/303,298.74
  6. Step 6: Final answer
    x = 139,400.90

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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.