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Finding the Fourth Proportional to 283,670.69, 425,507.40 and 83,994.84

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Solution

The fourth proportional to 283,670.69, 425,507.40 and 83,994.84 is: 125,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,670.69 : 425,507.40 = 83,994.84 : x
  2. Step 2: Convert to fraction form
    283,670.69/425,507.40 = 83,994.84/x
  3. Step 3: Cross multiply
    283,670.69x = 425,507.40 × 83,994.84
  4. Step 4: Simplify right side
    283,670.69x = 35,740,425,981.82
  5. Step 5: Solve for x
    x = 35,740,425,981.82/283,670.69
  6. Step 6: Final answer
    x = 125,992.67

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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.