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Finding the Fourth Proportional to 329,223.42, 454,329.30 and 185,980.39

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Solution

The fourth proportional to 329,223.42, 454,329.30 and 185,980.39 is: 256,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,223.42 : 454,329.30 = 185,980.39 : x
  2. Step 2: Convert to fraction form
    329,223.42/454,329.30 = 185,980.39/x
  3. Step 3: Cross multiply
    329,223.42x = 454,329.30 × 185,980.39
  4. Step 4: Simplify right side
    329,223.42x = 84,496,339,964.03
  5. Step 5: Solve for x
    x = 84,496,339,964.03/329,223.42
  6. Step 6: Final answer
    x = 256,653.49

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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.