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Finding the Fourth Proportional to 479,900.45, 662,249.95 and 265,035.89

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Solution

The fourth proportional to 479,900.45, 662,249.95 and 265,035.89 is: 365,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,900.45 : 662,249.95 = 265,035.89 : x
  2. Step 2: Convert to fraction form
    479,900.45/662,249.95 = 265,035.89/x
  3. Step 3: Cross multiply
    479,900.45x = 662,249.95 × 265,035.89
  4. Step 4: Simplify right side
    479,900.45x = 175,520,005,893.74
  5. Step 5: Solve for x
    x = 175,520,005,893.74/479,900.45
  6. Step 6: Final answer
    x = 365,742.53

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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.