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Finding the Fourth Proportional to 583,246.32, 804,879.92 and 314,974.32

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Solution

The fourth proportional to 583,246.32, 804,879.92 and 314,974.32 is: 434,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,246.32 : 804,879.92 = 314,974.32 : x
  2. Step 2: Convert to fraction form
    583,246.32/804,879.92 = 314,974.32/x
  3. Step 3: Cross multiply
    583,246.32x = 804,879.92 × 314,974.32
  4. Step 4: Simplify right side
    583,246.32x = 253,516,503,908.78
  5. Step 5: Solve for x
    x = 253,516,503,908.78/583,246.32
  6. Step 6: Final answer
    x = 434,664.56

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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.