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Finding the Fourth Proportional to 570,556.92, 787,234.86 and 341,189.40

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Solution

The fourth proportional to 570,556.92, 787,234.86 and 341,189.40 is: 470,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,556.92 : 787,234.86 = 341,189.40 : x
  2. Step 2: Convert to fraction form
    570,556.92/787,234.86 = 341,189.40/x
  3. Step 3: Cross multiply
    570,556.92x = 787,234.86 × 341,189.40
  4. Step 4: Simplify right side
    570,556.92x = 268,596,189,542.48
  5. Step 5: Solve for x
    x = 268,596,189,542.48/570,556.92
  6. Step 6: Final answer
    x = 470,761.43

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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.