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Finding the Fourth Proportional to 338,227.40, 507,341.10 and 88,934.60

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Solution

The fourth proportional to 338,227.40, 507,341.10 and 88,934.60 is: 133,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,227.40 : 507,341.10 = 88,934.60 : x
  2. Step 2: Convert to fraction form
    338,227.40/507,341.10 = 88,934.60/x
  3. Step 3: Cross multiply
    338,227.40x = 507,341.10 × 88,934.60
  4. Step 4: Simplify right side
    338,227.40x = 45,120,177,792.06
  5. Step 5: Solve for x
    x = 45,120,177,792.06/338,227.40
  6. Step 6: Final answer
    x = 133,401.90

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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.