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Finding the Fourth Proportional to 570,649.11, 787,360.48 and 337,958.56

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Solution

The fourth proportional to 570,649.11, 787,360.48 and 337,958.56 is: 466,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,649.11 : 787,360.48 = 337,958.56 : x
  2. Step 2: Convert to fraction form
    570,649.11/787,360.48 = 337,958.56/x
  3. Step 3: Cross multiply
    570,649.11x = 787,360.48 × 337,958.56
  4. Step 4: Simplify right side
    570,649.11x = 266,095,214,021.71
  5. Step 5: Solve for x
    x = 266,095,214,021.71/570,649.11
  6. Step 6: Final answer
    x = 466,302.69

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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.