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Finding the Fourth Proportional to 570,628.96, 787,332.76 and 337,938.41

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Solution

The fourth proportional to 570,628.96, 787,332.76 and 337,938.41 is: 466,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,628.96 : 787,332.76 = 337,938.41 : x
  2. Step 2: Convert to fraction form
    570,628.96/787,332.76 = 337,938.41/x
  3. Step 3: Cross multiply
    570,628.96x = 787,332.76 × 337,938.41
  4. Step 4: Simplify right side
    570,628.96x = 266,069,982,178.80
  5. Step 5: Solve for x
    x = 266,069,982,178.80/570,628.96
  6. Step 6: Final answer
    x = 466,274.94

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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.