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Finding the Fourth Proportional to 435,523.02, 601,086.87 and 265,855.74

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Solution

The fourth proportional to 435,523.02, 601,086.87 and 265,855.74 is: 366,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,523.02 : 601,086.87 = 265,855.74 : x
  2. Step 2: Convert to fraction form
    435,523.02/601,086.87 = 265,855.74/x
  3. Step 3: Cross multiply
    435,523.02x = 601,086.87 × 265,855.74
  4. Step 4: Simplify right side
    435,523.02x = 159,802,394,628.13
  5. Step 5: Solve for x
    x = 159,802,394,628.13/435,523.02
  6. Step 6: Final answer
    x = 366,920.66

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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.