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Finding the Fourth Proportional to 568,907.22, 785,025.09 and 314,243.22

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Solution

The fourth proportional to 568,907.22, 785,025.09 and 314,243.22 is: 433,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,907.22 : 785,025.09 = 314,243.22 : x
  2. Step 2: Convert to fraction form
    568,907.22/785,025.09 = 314,243.22/x
  3. Step 3: Cross multiply
    568,907.22x = 785,025.09 × 314,243.22
  4. Step 4: Simplify right side
    568,907.22x = 246,688,812,062.39
  5. Step 5: Solve for x
    x = 246,688,812,062.39/568,907.22
  6. Step 6: Final answer
    x = 433,618.71

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Double scale
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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.