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Finding the Fourth Proportional to 270,645.53, 373,530.35 and 155,901.85

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Solution

The fourth proportional to 270,645.53, 373,530.35 and 155,901.85 is: 215,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,645.53 : 373,530.35 = 155,901.85 : x
  2. Step 2: Convert to fraction form
    270,645.53/373,530.35 = 155,901.85/x
  3. Step 3: Cross multiply
    270,645.53x = 373,530.35 × 155,901.85
  4. Step 4: Simplify right side
    270,645.53x = 58,234,072,052.08
  5. Step 5: Solve for x
    x = 58,234,072,052.08/270,645.53
  6. Step 6: Final answer
    x = 215,167.32

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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.