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Finding the Fourth Proportional to 504,557.67, 755,980.05 and 304,457.61

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Solution

The fourth proportional to 504,557.67, 755,980.05 and 304,457.61 is: 456,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,557.67 : 755,980.05 = 304,457.61 : x
  2. Step 2: Convert to fraction form
    504,557.67/755,980.05 = 304,457.61/x
  3. Step 3: Cross multiply
    504,557.67x = 755,980.05 × 304,457.61
  4. Step 4: Simplify right side
    504,557.67x = 230,163,879,230.68
  5. Step 5: Solve for x
    x = 230,163,879,230.68/504,557.67
  6. Step 6: Final answer
    x = 456,169.62

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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.