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Finding the Fourth Proportional to 435,514.94, 653,018.07 and 168,963.98

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Solution

The fourth proportional to 435,514.94, 653,018.07 and 168,963.98 is: 253,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,514.94 : 653,018.07 = 168,963.98 : x
  2. Step 2: Convert to fraction form
    435,514.94/653,018.07 = 168,963.98/x
  3. Step 3: Cross multiply
    435,514.94x = 653,018.07 × 168,963.98
  4. Step 4: Simplify right side
    435,514.94x = 110,336,532,119.12
  5. Step 5: Solve for x
    x = 110,336,532,119.12/435,514.94
  6. Step 6: Final answer
    x = 253,347.30

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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.