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Finding the Fourth Proportional to 440,498.75, 607,836.70 and 259,170.80

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Solution

The fourth proportional to 440,498.75, 607,836.70 and 259,170.80 is: 357,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,498.75 : 607,836.70 = 259,170.80 : x
  2. Step 2: Convert to fraction form
    440,498.75/607,836.70 = 259,170.80/x
  3. Step 3: Cross multiply
    440,498.75x = 607,836.70 × 259,170.80
  4. Step 4: Simplify right side
    440,498.75x = 157,533,523,808.36
  5. Step 5: Solve for x
    x = 157,533,523,808.36/440,498.75
  6. Step 6: Final answer
    x = 357,625.36

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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.