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Finding the Fourth Proportional to 329,025.40, 454,055.22 and 178,122.40

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Solution

The fourth proportional to 329,025.40, 454,055.22 and 178,122.40 is: 245,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,025.40 : 454,055.22 = 178,122.40 : x
  2. Step 2: Convert to fraction form
    329,025.40/454,055.22 = 178,122.40/x
  3. Step 3: Cross multiply
    329,025.40x = 454,055.22 × 178,122.40
  4. Step 4: Simplify right side
    329,025.40x = 80,877,405,518.93
  5. Step 5: Solve for x
    x = 80,877,405,518.93/329,025.40
  6. Step 6: Final answer
    x = 245,809.00

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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.