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Finding the Fourth Proportional to 584,793.40, 877,535.70 and 426,623.80

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Solution

The fourth proportional to 584,793.40, 877,535.70 and 426,623.80 is: 640,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,793.40 : 877,535.70 = 426,623.80 : x
  2. Step 2: Convert to fraction form
    584,793.40/877,535.70 = 426,623.80/x
  3. Step 3: Cross multiply
    584,793.40x = 877,535.70 × 426,623.80
  4. Step 4: Simplify right side
    584,793.40x = 374,377,614,969.66
  5. Step 5: Solve for x
    x = 374,377,614,969.66/584,793.40
  6. Step 6: Final answer
    x = 640,187.83

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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.