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Finding the Fourth Proportional to 580,064.99, 870,139.38 and 242,766.24

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Solution

The fourth proportional to 580,064.99, 870,139.38 and 242,766.24 is: 364,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,064.99 : 870,139.38 = 242,766.24 : x
  2. Step 2: Convert to fraction form
    580,064.99/870,139.38 = 242,766.24/x
  3. Step 3: Cross multiply
    580,064.99x = 870,139.38 × 242,766.24
  4. Step 4: Simplify right side
    580,064.99x = 211,240,465,558.53
  5. Step 5: Solve for x
    x = 211,240,465,558.53/580,064.99
  6. Step 6: Final answer
    x = 364,166.90

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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.