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Finding the Fourth Proportional to 579,887.65, 801,011.46 and 483,406.66

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Solution

The fourth proportional to 579,887.65, 801,011.46 and 483,406.66 is: 667,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,887.65 : 801,011.46 = 483,406.66 : x
  2. Step 2: Convert to fraction form
    579,887.65/801,011.46 = 483,406.66/x
  3. Step 3: Cross multiply
    579,887.65x = 801,011.46 × 483,406.66
  4. Step 4: Simplify right side
    579,887.65x = 387,214,274,500.32
  5. Step 5: Solve for x
    x = 387,214,274,500.32/579,887.65
  6. Step 6: Final answer
    x = 667,740.16

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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.