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Finding the Fourth Proportional to 535,634.72, 803,369.03 and 156,453.63

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Solution

The fourth proportional to 535,634.72, 803,369.03 and 156,453.63 is: 234,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,634.72 : 803,369.03 = 156,453.63 : x
  2. Step 2: Convert to fraction form
    535,634.72/803,369.03 = 156,453.63/x
  3. Step 3: Cross multiply
    535,634.72x = 803,369.03 × 156,453.63
  4. Step 4: Simplify right side
    535,634.72x = 125,690,000,190.81
  5. Step 5: Solve for x
    x = 125,690,000,190.81/535,634.72
  6. Step 6: Final answer
    x = 234,656.19

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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.