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Finding the Fourth Proportional to 224,362.20, 308,989.98 and 219,463.32

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Solution

The fourth proportional to 224,362.20, 308,989.98 and 219,463.32 is: 302,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,362.20 : 308,989.98 = 219,463.32 : x
  2. Step 2: Convert to fraction form
    224,362.20/308,989.98 = 219,463.32/x
  3. Step 3: Cross multiply
    224,362.20x = 308,989.98 × 219,463.32
  4. Step 4: Simplify right side
    224,362.20x = 67,811,966,857.53
  5. Step 5: Solve for x
    x = 67,811,966,857.53/224,362.20
  6. Step 6: Final answer
    x = 302,243.28

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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.