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Finding the Fourth Proportional to 585,552.81, 807,750.87 and 356,180.25

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Solution

The fourth proportional to 585,552.81, 807,750.87 and 356,180.25 is: 491,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,552.81 : 807,750.87 = 356,180.25 : x
  2. Step 2: Convert to fraction form
    585,552.81/807,750.87 = 356,180.25/x
  3. Step 3: Cross multiply
    585,552.81x = 807,750.87 × 356,180.25
  4. Step 4: Simplify right side
    585,552.81x = 287,704,906,814.32
  5. Step 5: Solve for x
    x = 287,704,906,814.32/585,552.81
  6. Step 6: Final answer
    x = 491,338.96

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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.