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Finding the Fourth Proportional to 228,612.84, 343,446.30 and 219,165.16

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Solution

The fourth proportional to 228,612.84, 343,446.30 and 219,165.16 is: 329,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,612.84 : 343,446.30 = 219,165.16 : x
  2. Step 2: Convert to fraction form
    228,612.84/343,446.30 = 219,165.16/x
  3. Step 3: Cross multiply
    228,612.84x = 343,446.30 × 219,165.16
  4. Step 4: Simplify right side
    228,612.84x = 75,271,463,290.91
  5. Step 5: Solve for x
    x = 75,271,463,290.91/228,612.84
  6. Step 6: Final answer
    x = 329,253.00

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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.