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Finding the Fourth Proportional to 647,550.70, 971,326.05 and 606,078.70

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Solution

The fourth proportional to 647,550.70, 971,326.05 and 606,078.70 is: 909,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,550.70 : 971,326.05 = 606,078.70 : x
  2. Step 2: Convert to fraction form
    647,550.70/971,326.05 = 606,078.70/x
  3. Step 3: Cross multiply
    647,550.70x = 971,326.05 × 606,078.70
  4. Step 4: Simplify right side
    647,550.70x = 588,700,029,660.14
  5. Step 5: Solve for x
    x = 588,700,029,660.14/647,550.70
  6. Step 6: Final answer
    x = 909,118.05

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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.