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Finding the Fourth Proportional to 584,122.88, 806,089.57 and 315,850.88

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Solution

The fourth proportional to 584,122.88, 806,089.57 and 315,850.88 is: 435,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,122.88 : 806,089.57 = 315,850.88 : x
  2. Step 2: Convert to fraction form
    584,122.88/806,089.57 = 315,850.88/x
  3. Step 3: Cross multiply
    584,122.88x = 806,089.57 × 315,850.88
  4. Step 4: Simplify right side
    584,122.88x = 254,604,096,012.87
  5. Step 5: Solve for x
    x = 254,604,096,012.87/584,122.88
  6. Step 6: Final answer
    x = 435,874.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.