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Finding the Fourth Proportional to 534,917.70, 803,375.88 and 470,898.54

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Solution

The fourth proportional to 534,917.70, 803,375.88 and 470,898.54 is: 707,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,917.70 : 803,375.88 = 470,898.54 : x
  2. Step 2: Convert to fraction form
    534,917.70/803,375.88 = 470,898.54/x
  3. Step 3: Cross multiply
    534,917.70x = 803,375.88 × 470,898.54
  4. Step 4: Simplify right side
    534,917.70x = 378,308,528,963.22
  5. Step 5: Solve for x
    x = 378,308,528,963.22/534,917.70
  6. Step 6: Final answer
    x = 707,227.54

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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.