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Finding the Fourth Proportional to 567,941.92, 783,724.32 and 313,292.80

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Solution

The fourth proportional to 567,941.92, 783,724.32 and 313,292.80 is: 432,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,941.92 : 783,724.32 = 313,292.80 : x
  2. Step 2: Convert to fraction form
    567,941.92/783,724.32 = 313,292.80/x
  3. Step 3: Cross multiply
    567,941.92x = 783,724.32 × 313,292.80
  4. Step 4: Simplify right side
    567,941.92x = 245,535,186,640.90
  5. Step 5: Solve for x
    x = 245,535,186,640.90/567,941.92
  6. Step 6: Final answer
    x = 432,324.46

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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.