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Finding the Fourth Proportional to 338,500.22, 507,737.98 and 136,158.98

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Solution

The fourth proportional to 338,500.22, 507,737.98 and 136,158.98 is: 204,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,500.22 : 507,737.98 = 136,158.98 : x
  2. Step 2: Convert to fraction form
    338,500.22/507,737.98 = 136,158.98/x
  3. Step 3: Cross multiply
    338,500.22x = 507,737.98 × 136,158.98
  4. Step 4: Simplify right side
    338,500.22x = 69,133,085,464.06
  5. Step 5: Solve for x
    x = 69,133,085,464.06/338,500.22
  6. Step 6: Final answer
    x = 204,233.50

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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.