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Finding the Fourth Proportional to 355,820.23, 533,905.62 and 166,293.73

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Solution

The fourth proportional to 355,820.23, 533,905.62 and 166,293.73 is: 249,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,820.23 : 533,905.62 = 166,293.73 : x
  2. Step 2: Convert to fraction form
    355,820.23/533,905.62 = 166,293.73/x
  3. Step 3: Cross multiply
    355,820.23x = 533,905.62 × 166,293.73
  4. Step 4: Simplify right side
    355,820.23x = 88,785,157,017.76
  5. Step 5: Solve for x
    x = 88,785,157,017.76/355,820.23
  6. Step 6: Final answer
    x = 249,522.51

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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.