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Finding the Fourth Proportional to 835,160.28, 1,252,725 and 266,536.80

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Solution

The fourth proportional to 835,160.28, 1,252,725 and 266,536.80 is: 399,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,160.28 : 1,252,725 = 266,536.80 : x
  2. Step 2: Convert to fraction form
    835,160.28/1,252,725 = 266,536.80/x
  3. Step 3: Cross multiply
    835,160.28x = 1,252,725 × 266,536.80
  4. Step 4: Simplify right side
    835,160.28x = 333,897,312,780
  5. Step 5: Solve for x
    x = 333,897,312,780/835,160.28
  6. Step 6: Final answer
    x = 399,800.28

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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.