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Finding the Fourth Proportional to 380,280.83, 525,143.15 and 244,550.48

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Solution

The fourth proportional to 380,280.83, 525,143.15 and 244,550.48 is: 337,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,280.83 : 525,143.15 = 244,550.48 : x
  2. Step 2: Convert to fraction form
    380,280.83/525,143.15 = 244,550.48/x
  3. Step 3: Cross multiply
    380,280.83x = 525,143.15 × 244,550.48
  4. Step 4: Simplify right side
    380,280.83x = 128,424,005,552.74
  5. Step 5: Solve for x
    x = 128,424,005,552.74/380,280.83
  6. Step 6: Final answer
    x = 337,708.34

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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.