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Finding the Fourth Proportional to 497,605.20, 746,580.60 and 217,323.60

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Solution

The fourth proportional to 497,605.20, 746,580.60 and 217,323.60 is: 326,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,605.20 : 746,580.60 = 217,323.60 : x
  2. Step 2: Convert to fraction form
    497,605.20/746,580.60 = 217,323.60/x
  3. Step 3: Cross multiply
    497,605.20x = 746,580.60 × 217,323.60
  4. Step 4: Simplify right side
    497,605.20x = 162,249,583,682.16
  5. Step 5: Solve for x
    x = 162,249,583,682.16/497,605.20
  6. Step 6: Final answer
    x = 326,060.87

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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.