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Finding the Fourth Proportional to 535,447.64, 803,007.66 and 180,366.44

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Solution

The fourth proportional to 535,447.64, 803,007.66 and 180,366.44 is: 270,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,447.64 : 803,007.66 = 180,366.44 : x
  2. Step 2: Convert to fraction form
    535,447.64/803,007.66 = 180,366.44/x
  3. Step 3: Cross multiply
    535,447.64x = 803,007.66 × 180,366.44
  4. Step 4: Simplify right side
    535,447.64x = 144,835,632,926.93
  5. Step 5: Solve for x
    x = 144,835,632,926.93/535,447.64
  6. Step 6: Final answer
    x = 270,494.48

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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.