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Finding the Fourth Proportional to 329,309.12, 454,521.12 and 186,152.24

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Solution

The fourth proportional to 329,309.12, 454,521.12 and 186,152.24 is: 256,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,309.12 : 454,521.12 = 186,152.24 : x
  2. Step 2: Convert to fraction form
    329,309.12/454,521.12 = 186,152.24/x
  3. Step 3: Cross multiply
    329,309.12x = 454,521.12 × 186,152.24
  4. Step 4: Simplify right side
    329,309.12x = 84,610,124,615.31
  5. Step 5: Solve for x
    x = 84,610,124,615.31/329,309.12
  6. Step 6: Final answer
    x = 256,932.22

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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.