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Finding the Fourth Proportional to 329,311.66, 454,444.19 and 186,068.63

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Solution

The fourth proportional to 329,311.66, 454,444.19 and 186,068.63 is: 256,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,311.66 : 454,444.19 = 186,068.63 : x
  2. Step 2: Convert to fraction form
    329,311.66/454,444.19 = 186,068.63/x
  3. Step 3: Cross multiply
    329,311.66x = 454,444.19 × 186,068.63
  4. Step 4: Simplify right side
    329,311.66x = 84,557,808,501.71
  5. Step 5: Solve for x
    x = 84,557,808,501.71/329,311.66
  6. Step 6: Final answer
    x = 256,771.37

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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.