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Finding the Fourth Proportional to 523,931.10, 785,896.65 and 168,956.70

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Solution

The fourth proportional to 523,931.10, 785,896.65 and 168,956.70 is: 253,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,931.10 : 785,896.65 = 168,956.70 : x
  2. Step 2: Convert to fraction form
    523,931.10/785,896.65 = 168,956.70/x
  3. Step 3: Cross multiply
    523,931.10x = 785,896.65 × 168,956.70
  4. Step 4: Simplify right side
    523,931.10x = 132,782,504,525.06
  5. Step 5: Solve for x
    x = 132,782,504,525.06/523,931.10
  6. Step 6: Final answer
    x = 253,435.05

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Similar ratio
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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.