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Finding the Fourth Proportional to 329,008.64, 454,007.04 and 185,748.80

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Solution

The fourth proportional to 329,008.64, 454,007.04 and 185,748.80 is: 256,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,008.64 : 454,007.04 = 185,748.80 : x
  2. Step 2: Convert to fraction form
    329,008.64/454,007.04 = 185,748.80/x
  3. Step 3: Cross multiply
    329,008.64x = 454,007.04 × 185,748.80
  4. Step 4: Simplify right side
    329,008.64x = 84,331,262,871.55
  5. Step 5: Solve for x
    x = 84,331,262,871.55/329,008.64
  6. Step 6: Final answer
    x = 256,319.30

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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.