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Finding the Fourth Proportional to 198,484.17, 297,737.66 and 56,318.32

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Solution

The fourth proportional to 198,484.17, 297,737.66 and 56,318.32 is: 84,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484.17 : 297,737.66 = 56,318.32 : x
  2. Step 2: Convert to fraction form
    198,484.17/297,737.66 = 56,318.32/x
  3. Step 3: Cross multiply
    198,484.17x = 297,737.66 × 56,318.32
  4. Step 4: Simplify right side
    198,484.17x = 16,768,085,113.71
  5. Step 5: Solve for x
    x = 16,768,085,113.71/198,484.17
  6. Step 6: Final answer
    x = 84,480.72

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1.5x scale

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.