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Finding the Fourth Proportional to 536,154.53, 803,006.93 and 255,868.61

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Solution

The fourth proportional to 536,154.53, 803,006.93 and 255,868.61 is: 383,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,154.53 : 803,006.93 = 255,868.61 : x
  2. Step 2: Convert to fraction form
    536,154.53/803,006.93 = 255,868.61/x
  3. Step 3: Cross multiply
    536,154.53x = 803,006.93 × 255,868.61
  4. Step 4: Simplify right side
    536,154.53x = 205,464,261,705.09
  5. Step 5: Solve for x
    x = 205,464,261,705.09/536,154.53
  6. Step 6: Final answer
    x = 383,218.37

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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.