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Finding the Fourth Proportional to 380,288.56, 525,153.86 and 244,558.24

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Solution

The fourth proportional to 380,288.56, 525,153.86 and 244,558.24 is: 337,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,288.56 : 525,153.86 = 244,558.24 : x
  2. Step 2: Convert to fraction form
    380,288.56/525,153.86 = 244,558.24/x
  3. Step 3: Cross multiply
    380,288.56x = 525,153.86 × 244,558.24
  4. Step 4: Simplify right side
    380,288.56x = 128,430,703,730.81
  5. Step 5: Solve for x
    x = 128,430,703,730.81/380,288.56
  6. Step 6: Final answer
    x = 337,719.08

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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.