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Finding the Fourth Proportional to 1,815,944.66, 2,723,909.66 and 553,768.64

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Solution

The fourth proportional to 1,815,944.66, 2,723,909.66 and 553,768.64 is: 830,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,944.66 : 2,723,909.66 = 553,768.64 : x
  2. Step 2: Convert to fraction form
    1,815,944.66/2,723,909.66 = 553,768.64/x
  3. Step 3: Cross multiply
    1,815,944.66x = 2,723,909.66 × 553,768.64
  4. Step 4: Simplify right side
    1,815,944.66x = 1,508,415,747,901.06
  5. Step 5: Solve for x
    x = 1,508,415,747,901.06/1,815,944.66
  6. Step 6: Final answer
    x = 830,650.72

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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.