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Finding the Fourth Proportional to 559,910.28, 840,406.77 and 529,565.79

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Solution

The fourth proportional to 559,910.28, 840,406.77 and 529,565.79 is: 794,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,910.28 : 840,406.77 = 529,565.79 : x
  2. Step 2: Convert to fraction form
    559,910.28/840,406.77 = 529,565.79/x
  3. Step 3: Cross multiply
    559,910.28x = 840,406.77 × 529,565.79
  4. Step 4: Simplify right side
    559,910.28x = 445,050,675,076.40
  5. Step 5: Solve for x
    x = 445,050,675,076.40/559,910.28
  6. Step 6: Final answer
    x = 794,860.70

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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.