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Finding the Fourth Proportional to 338,842.92, 507,586.68 and 203,832.57

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Solution

The fourth proportional to 338,842.92, 507,586.68 and 203,832.57 is: 305,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,842.92 : 507,586.68 = 203,832.57 : x
  2. Step 2: Convert to fraction form
    338,842.92/507,586.68 = 203,832.57/x
  3. Step 3: Cross multiply
    338,842.92x = 507,586.68 × 203,832.57
  4. Step 4: Simplify right side
    338,842.92x = 103,462,697,482.17
  5. Step 5: Solve for x
    x = 103,462,697,482.17/338,842.92
  6. Step 6: Final answer
    x = 305,341.18

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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.