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Finding the Fourth Proportional to 292,737.38, 403,977.58 and 158,601.38

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Solution

The fourth proportional to 292,737.38, 403,977.58 and 158,601.38 is: 218,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,737.38 : 403,977.58 = 158,601.38 : x
  2. Step 2: Convert to fraction form
    292,737.38/403,977.58 = 158,601.38/x
  3. Step 3: Cross multiply
    292,737.38x = 403,977.58 × 158,601.38
  4. Step 4: Simplify right side
    292,737.38x = 64,071,399,260.67
  5. Step 5: Solve for x
    x = 64,071,399,260.67/292,737.38
  6. Step 6: Final answer
    x = 218,869.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.