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Finding the Fourth Proportional to 507,068.52, 699,910.20 and 292,351.92

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Solution

The fourth proportional to 507,068.52, 699,910.20 and 292,351.92 is: 403,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,068.52 : 699,910.20 = 292,351.92 : x
  2. Step 2: Convert to fraction form
    507,068.52/699,910.20 = 292,351.92/x
  3. Step 3: Cross multiply
    507,068.52x = 699,910.20 × 292,351.92
  4. Step 4: Simplify right side
    507,068.52x = 204,620,090,797.58
  5. Step 5: Solve for x
    x = 204,620,090,797.58/507,068.52
  6. Step 6: Final answer
    x = 403,535.39

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1.5x scale

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.