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Finding the Fourth Proportional to 516,594.60, 774,998.28 and 216,898.92

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Solution

The fourth proportional to 516,594.60, 774,998.28 and 216,898.92 is: 325,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,594.60 : 774,998.28 = 216,898.92 : x
  2. Step 2: Convert to fraction form
    516,594.60/774,998.28 = 216,898.92/x
  3. Step 3: Cross multiply
    516,594.60x = 774,998.28 × 216,898.92
  4. Step 4: Simplify right side
    516,594.60x = 168,096,289,933.86
  5. Step 5: Solve for x
    x = 168,096,289,933.86/516,594.60
  6. Step 6: Final answer
    x = 325,393.05

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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.