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Finding the Fourth Proportional to 567,594.06, 783,285.09 and 312,954.30

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Solution

The fourth proportional to 567,594.06, 783,285.09 and 312,954.30 is: 431,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,594.06 : 783,285.09 = 312,954.30 : x
  2. Step 2: Convert to fraction form
    567,594.06/783,285.09 = 312,954.30/x
  3. Step 3: Cross multiply
    567,594.06x = 783,285.09 × 312,954.30
  4. Step 4: Simplify right side
    567,594.06x = 245,132,437,041.39
  5. Step 5: Solve for x
    x = 245,132,437,041.39/567,594.06
  6. Step 6: Final answer
    x = 431,879.85

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Similar ratio
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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.