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Finding the Fourth Proportional to 329,165.40, 493,748.10 and 223,411.80

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Solution

The fourth proportional to 329,165.40, 493,748.10 and 223,411.80 is: 335,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,165.40 : 493,748.10 = 223,411.80 : x
  2. Step 2: Convert to fraction form
    329,165.40/493,748.10 = 223,411.80/x
  3. Step 3: Cross multiply
    329,165.40x = 493,748.10 × 223,411.80
  4. Step 4: Simplify right side
    329,165.40x = 110,309,151,767.58
  5. Step 5: Solve for x
    x = 110,309,151,767.58/329,165.40
  6. Step 6: Final answer
    x = 335,117.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.