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Finding the Fourth Proportional to 222,509.04, 331,622.82 and 218,966.16

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Solution

The fourth proportional to 222,509.04, 331,622.82 and 218,966.16 is: 326,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,509.04 : 331,622.82 = 218,966.16 : x
  2. Step 2: Convert to fraction form
    222,509.04/331,622.82 = 218,966.16/x
  3. Step 3: Cross multiply
    222,509.04x = 331,622.82 × 218,966.16
  4. Step 4: Simplify right side
    222,509.04x = 72,614,175,463.77
  5. Step 5: Solve for x
    x = 72,614,175,463.77/222,509.04
  6. Step 6: Final answer
    x = 326,342.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.