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Finding the Fourth Proportional to 535,334.62, 803,049.12 and 151,086.88

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Solution

The fourth proportional to 535,334.62, 803,049.12 and 151,086.88 is: 226,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,334.62 : 803,049.12 = 151,086.88 : x
  2. Step 2: Convert to fraction form
    535,334.62/803,049.12 = 151,086.88/x
  3. Step 3: Cross multiply
    535,334.62x = 803,049.12 × 151,086.88
  4. Step 4: Simplify right side
    535,334.62x = 121,330,186,027.55
  5. Step 5: Solve for x
    x = 121,330,186,027.55/535,334.62
  6. Step 6: Final answer
    x = 226,643.64

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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.