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Finding the Fourth Proportional to 580,868.60, 870,903.30 and 296,007.80

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Solution

The fourth proportional to 580,868.60, 870,903.30 and 296,007.80 is: 443,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,868.60 : 870,903.30 = 296,007.80 : x
  2. Step 2: Convert to fraction form
    580,868.60/870,903.30 = 296,007.80/x
  3. Step 3: Cross multiply
    580,868.60x = 870,903.30 × 296,007.80
  4. Step 4: Simplify right side
    580,868.60x = 257,794,169,845.74
  5. Step 5: Solve for x
    x = 257,794,169,845.74/580,868.60
  6. Step 6: Final answer
    x = 443,808.07

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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.