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Finding the Fourth Proportional to 217,372.10, 304,528.30 and 217,372.10

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Solution

The fourth proportional to 217,372.10, 304,528.30 and 217,372.10 is: 304,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,372.10 : 304,528.30 = 217,372.10 : x
  2. Step 2: Convert to fraction form
    217,372.10/304,528.30 = 217,372.10/x
  3. Step 3: Cross multiply
    217,372.10x = 304,528.30 × 217,372.10
  4. Step 4: Simplify right side
    217,372.10x = 66,195,956,080.43
  5. Step 5: Solve for x
    x = 66,195,956,080.43/217,372.10
  6. Step 6: Final answer
    x = 304,528.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.