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Finding the Fourth Proportional to 250,293.34, 375,439.78 and 100,533.66

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Solution

The fourth proportional to 250,293.34, 375,439.78 and 100,533.66 is: 150,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,293.34 : 375,439.78 = 100,533.66 : x
  2. Step 2: Convert to fraction form
    250,293.34/375,439.78 = 100,533.66/x
  3. Step 3: Cross multiply
    250,293.34x = 375,439.78 × 100,533.66
  4. Step 4: Simplify right side
    250,293.34x = 37,744,334,193.51
  5. Step 5: Solve for x
    x = 37,744,334,193.51/250,293.34
  6. Step 6: Final answer
    x = 150,800.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.