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Finding the Fourth Proportional to 435,011.33, 652,754.83 and 168,782.35

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Solution

The fourth proportional to 435,011.33, 652,754.83 and 168,782.35 is: 253,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,011.33 : 652,754.83 = 168,782.35 : x
  2. Step 2: Convert to fraction form
    435,011.33/652,754.83 = 168,782.35/x
  3. Step 3: Cross multiply
    435,011.33x = 652,754.83 × 168,782.35
  4. Step 4: Simplify right side
    435,011.33x = 110,173,494,181.25
  5. Step 5: Solve for x
    x = 110,173,494,181.25/435,011.33
  6. Step 6: Final answer
    x = 253,265.80

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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.