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Finding the Fourth Proportional to 329,341.72, 454,485.64 and 186,098.66

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Solution

The fourth proportional to 329,341.72, 454,485.64 and 186,098.66 is: 256,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,341.72 : 454,485.64 = 186,098.66 : x
  2. Step 2: Convert to fraction form
    329,341.72/454,485.64 = 186,098.66/x
  3. Step 3: Cross multiply
    329,341.72x = 454,485.64 × 186,098.66
  4. Step 4: Simplify right side
    329,341.72x = 84,579,168,593.24
  5. Step 5: Solve for x
    x = 84,579,168,593.24/329,341.72
  6. Step 6: Final answer
    x = 256,812.80

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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.