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Finding the Fourth Proportional to 635,425.88, 953,323.30 and 256,150.88

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Solution

The fourth proportional to 635,425.88, 953,323.30 and 256,150.88 is: 384,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,425.88 : 953,323.30 = 256,150.88 : x
  2. Step 2: Convert to fraction form
    635,425.88/953,323.30 = 256,150.88/x
  3. Step 3: Cross multiply
    635,425.88x = 953,323.30 × 256,150.88
  4. Step 4: Simplify right side
    635,425.88x = 244,194,602,219.50
  5. Step 5: Solve for x
    x = 244,194,602,219.50/635,425.88
  6. Step 6: Final answer
    x = 384,300.69

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Double scale
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Similar ratio
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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.