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Finding the Fourth Proportional to 440,496.25, 607,833.25 and 259,168.30

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Solution

The fourth proportional to 440,496.25, 607,833.25 and 259,168.30 is: 357,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,496.25 : 607,833.25 = 259,168.30 : x
  2. Step 2: Convert to fraction form
    440,496.25/607,833.25 = 259,168.30/x
  3. Step 3: Cross multiply
    440,496.25x = 607,833.25 × 259,168.30
  4. Step 4: Simplify right side
    440,496.25x = 157,531,110,085.98
  5. Step 5: Solve for x
    x = 157,531,110,085.98/440,496.25
  6. Step 6: Final answer
    x = 357,621.91

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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.