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Finding the Fourth Proportional to 338,603.46, 507,459.57 and 188,914.23

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Solution

The fourth proportional to 338,603.46, 507,459.57 and 188,914.23 is: 283,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,603.46 : 507,459.57 = 188,914.23 : x
  2. Step 2: Convert to fraction form
    338,603.46/507,459.57 = 188,914.23/x
  3. Step 3: Cross multiply
    338,603.46x = 507,459.57 × 188,914.23
  4. Step 4: Simplify right side
    338,603.46x = 95,866,333,922.68
  5. Step 5: Solve for x
    x = 95,866,333,922.68/338,603.46
  6. Step 6: Final answer
    x = 283,122.72

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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.