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Finding the Fourth Proportional to 397,595.73, 548,683.41 and 216,307.62

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Solution

The fourth proportional to 397,595.73, 548,683.41 and 216,307.62 is: 298,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,595.73 : 548,683.41 = 216,307.62 : x
  2. Step 2: Convert to fraction form
    397,595.73/548,683.41 = 216,307.62/x
  3. Step 3: Cross multiply
    397,595.73x = 548,683.41 × 216,307.62
  4. Step 4: Simplify right side
    397,595.73x = 118,684,402,550.58
  5. Step 5: Solve for x
    x = 118,684,402,550.58/397,595.73
  6. Step 6: Final answer
    x = 298,505.22

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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.