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Finding the Fourth Proportional to 559,568.88, 838,651.05 and 440,771.04

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Solution

The fourth proportional to 559,568.88, 838,651.05 and 440,771.04 is: 660,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,568.88 : 838,651.05 = 440,771.04 : x
  2. Step 2: Convert to fraction form
    559,568.88/838,651.05 = 440,771.04/x
  3. Step 3: Cross multiply
    559,568.88x = 838,651.05 × 440,771.04
  4. Step 4: Simplify right side
    559,568.88x = 369,653,095,505.59
  5. Step 5: Solve for x
    x = 369,653,095,505.59/559,568.88
  6. Step 6: Final answer
    x = 660,603.38

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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.