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Finding the Fourth Proportional to 630,196.88, 945,293.88 and 270,134.24

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Solution

The fourth proportional to 630,196.88, 945,293.88 and 270,134.24 is: 405,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,196.88 : 945,293.88 = 270,134.24 : x
  2. Step 2: Convert to fraction form
    630,196.88/945,293.88 = 270,134.24/x
  3. Step 3: Cross multiply
    630,196.88x = 945,293.88 × 270,134.24
  4. Step 4: Simplify right side
    630,196.88x = 255,356,243,850.45
  5. Step 5: Solve for x
    x = 255,356,243,850.45/630,196.88
  6. Step 6: Final answer
    x = 405,200.74

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Similar ratio
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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.