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Finding the Fourth Proportional to 585,558.81, 807,759.14 and 356,186.25

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Solution

The fourth proportional to 585,558.81, 807,759.14 and 356,186.25 is: 491,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,558.81 : 807,759.14 = 356,186.25 : x
  2. Step 2: Convert to fraction form
    585,558.81/807,759.14 = 356,186.25/x
  3. Step 3: Cross multiply
    585,558.81x = 807,759.14 × 356,186.25
  4. Step 4: Simplify right side
    585,558.81x = 287,712,697,198.89
  5. Step 5: Solve for x
    x = 287,712,697,198.89/585,558.81
  6. Step 6: Final answer
    x = 491,347.23

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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.