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Finding the Fourth Proportional to 534,658.83, 803,242.35 and 504,395.61

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Solution

The fourth proportional to 534,658.83, 803,242.35 and 504,395.61 is: 757,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,658.83 : 803,242.35 = 504,395.61 : x
  2. Step 2: Convert to fraction form
    534,658.83/803,242.35 = 504,395.61/x
  3. Step 3: Cross multiply
    534,658.83x = 803,242.35 × 504,395.61
  4. Step 4: Simplify right side
    534,658.83x = 405,151,915,106.08
  5. Step 5: Solve for x
    x = 405,151,915,106.08/534,658.83
  6. Step 6: Final answer
    x = 757,776.53

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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.