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Finding the Fourth Proportional to 338,215.16, 507,400.49 and 101,562.32

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Solution

The fourth proportional to 338,215.16, 507,400.49 and 101,562.32 is: 152,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,215.16 : 507,400.49 = 101,562.32 : x
  2. Step 2: Convert to fraction form
    338,215.16/507,400.49 = 101,562.32/x
  3. Step 3: Cross multiply
    338,215.16x = 507,400.49 × 101,562.32
  4. Step 4: Simplify right side
    338,215.16x = 51,532,770,933.54
  5. Step 5: Solve for x
    x = 51,532,770,933.54/338,215.16
  6. Step 6: Final answer
    x = 152,366.83

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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.