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Finding the Fourth Proportional to 535,632.94, 803,454 and 136,274.14

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Solution

The fourth proportional to 535,632.94, 803,454 and 136,274.14 is: 204,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,632.94 : 803,454 = 136,274.14 : x
  2. Step 2: Convert to fraction form
    535,632.94/803,454 = 136,274.14/x
  3. Step 3: Cross multiply
    535,632.94x = 803,454 × 136,274.14
  4. Step 4: Simplify right side
    535,632.94x = 109,490,002,879.56
  5. Step 5: Solve for x
    x = 109,490,002,879.56/535,632.94
  6. Step 6: Final answer
    x = 204,412.38

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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.