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Finding the Fourth Proportional to 532,898.80, 799,056.60 and 216,998.80

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Solution

The fourth proportional to 532,898.80, 799,056.60 and 216,998.80 is: 325,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,898.80 : 799,056.60 = 216,998.80 : x
  2. Step 2: Convert to fraction form
    532,898.80/799,056.60 = 216,998.80/x
  3. Step 3: Cross multiply
    532,898.80x = 799,056.60 × 216,998.80
  4. Step 4: Simplify right side
    532,898.80x = 173,394,323,332.08
  5. Step 5: Solve for x
    x = 173,394,323,332.08/532,898.80
  6. Step 6: Final answer
    x = 325,379.46

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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.