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Finding the Fourth Proportional to 586,682.22, 809,554.47 and 328,523.28

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Solution

The fourth proportional to 586,682.22, 809,554.47 and 328,523.28 is: 453,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,682.22 : 809,554.47 = 328,523.28 : x
  2. Step 2: Convert to fraction form
    586,682.22/809,554.47 = 328,523.28/x
  3. Step 3: Cross multiply
    586,682.22x = 809,554.47 × 328,523.28
  4. Step 4: Simplify right side
    586,682.22x = 265,957,489,823.06
  5. Step 5: Solve for x
    x = 265,957,489,823.06/586,682.22
  6. Step 6: Final answer
    x = 453,324.61

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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.