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Finding the Fourth Proportional to 440,468.20, 607,835.88 and 256,695.08

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Solution

The fourth proportional to 440,468.20, 607,835.88 and 256,695.08 is: 354,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,468.20 : 607,835.88 = 256,695.08 : x
  2. Step 2: Convert to fraction form
    440,468.20/607,835.88 = 256,695.08/x
  3. Step 3: Cross multiply
    440,468.20x = 607,835.88 × 256,695.08
  4. Step 4: Simplify right side
    440,468.20x = 156,028,479,843.47
  5. Step 5: Solve for x
    x = 156,028,479,843.47/440,468.20
  6. Step 6: Final answer
    x = 354,233.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.