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Finding the Fourth Proportional to 229,377.53, 316,413.39 and 213,140.42

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Solution

The fourth proportional to 229,377.53, 316,413.39 and 213,140.42 is: 294,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,377.53 : 316,413.39 = 213,140.42 : x
  2. Step 2: Convert to fraction form
    229,377.53/316,413.39 = 213,140.42/x
  3. Step 3: Cross multiply
    229,377.53x = 316,413.39 × 213,140.42
  4. Step 4: Simplify right side
    229,377.53x = 67,440,483,241.98
  5. Step 5: Solve for x
    x = 67,440,483,241.98/229,377.53
  6. Step 6: Final answer
    x = 294,015.22

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1.5x scale

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.