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Finding the Fourth Proportional to 442,799.06, 611,018.44 and 259,010.60

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Solution

The fourth proportional to 442,799.06, 611,018.44 and 259,010.60 is: 357,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,799.06 : 611,018.44 = 259,010.60 : x
  2. Step 2: Convert to fraction form
    442,799.06/611,018.44 = 259,010.60/x
  3. Step 3: Cross multiply
    442,799.06x = 611,018.44 × 259,010.60
  4. Step 4: Simplify right side
    442,799.06x = 158,260,249,052.85
  5. Step 5: Solve for x
    x = 158,260,249,052.85/442,799.06
  6. Step 6: Final answer
    x = 357,408.73

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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.