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Finding the Fourth Proportional to 355,659.82, 533,633.92 and 155,874.94

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Solution

The fourth proportional to 355,659.82, 533,633.92 and 155,874.94 is: 233,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,659.82 : 533,633.92 = 155,874.94 : x
  2. Step 2: Convert to fraction form
    355,659.82/533,633.92 = 155,874.94/x
  3. Step 3: Cross multiply
    355,659.82x = 533,633.92 × 155,874.94
  4. Step 4: Simplify right side
    355,659.82x = 83,180,155,261.96
  5. Step 5: Solve for x
    x = 83,180,155,261.96/355,659.82
  6. Step 6: Final answer
    x = 233,875.60

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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.