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Finding the Fourth Proportional to 575,183.68, 793,754.24 and 320,529.28

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Solution

The fourth proportional to 575,183.68, 793,754.24 and 320,529.28 is: 442,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,183.68 : 793,754.24 = 320,529.28 : x
  2. Step 2: Convert to fraction form
    575,183.68/793,754.24 = 320,529.28/x
  3. Step 3: Cross multiply
    575,183.68x = 793,754.24 × 320,529.28
  4. Step 4: Simplify right side
    575,183.68x = 254,421,475,044.15
  5. Step 5: Solve for x
    x = 254,421,475,044.15/575,183.68
  6. Step 6: Final answer
    x = 442,330.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.