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Finding the Fourth Proportional to 329,328.46, 454,461.71 and 186,085.43

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Solution

The fourth proportional to 329,328.46, 454,461.71 and 186,085.43 is: 256,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,328.46 : 454,461.71 = 186,085.43 : x
  2. Step 2: Convert to fraction form
    329,328.46/454,461.71 = 186,085.43/x
  3. Step 3: Cross multiply
    329,328.46x = 454,461.71 × 186,085.43
  4. Step 4: Simplify right side
    329,328.46x = 84,568,701,225.38
  5. Step 5: Solve for x
    x = 84,568,701,225.38/329,328.46
  6. Step 6: Final answer
    x = 256,791.35

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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.