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Finding the Fourth Proportional to 585,633.33, 807,861.47 and 356,260.77

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Solution

The fourth proportional to 585,633.33, 807,861.47 and 356,260.77 is: 491,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,633.33 : 807,861.47 = 356,260.77 : x
  2. Step 2: Convert to fraction form
    585,633.33/807,861.47 = 356,260.77/x
  3. Step 3: Cross multiply
    585,633.33x = 807,861.47 × 356,260.77
  4. Step 4: Simplify right side
    585,633.33x = 287,809,347,574.23
  5. Step 5: Solve for x
    x = 287,809,347,574.23/585,633.33
  6. Step 6: Final answer
    x = 491,449.74

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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.