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Finding the Fourth Proportional to 635,500.80, 953,039.51 and 256,323.60

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Solution

The fourth proportional to 635,500.80, 953,039.51 and 256,323.60 is: 384,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,500.80 : 953,039.51 = 256,323.60 : x
  2. Step 2: Convert to fraction form
    635,500.80/953,039.51 = 256,323.60/x
  3. Step 3: Cross multiply
    635,500.80x = 953,039.51 × 256,323.60
  4. Step 4: Simplify right side
    635,500.80x = 244,286,518,145.44
  5. Step 5: Solve for x
    x = 244,286,518,145.44/635,500.80
  6. Step 6: Final answer
    x = 384,400.02

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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.