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Finding the Fourth Proportional to 535,666.52, 803,106.12 and 255,380.60

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Solution

The fourth proportional to 535,666.52, 803,106.12 and 255,380.60 is: 382,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,666.52 : 803,106.12 = 255,380.60 : x
  2. Step 2: Convert to fraction form
    535,666.52/803,106.12 = 255,380.60/x
  3. Step 3: Cross multiply
    535,666.52x = 803,106.12 × 255,380.60
  4. Step 4: Simplify right side
    535,666.52x = 205,097,722,789.27
  5. Step 5: Solve for x
    x = 205,097,722,789.27/535,666.52
  6. Step 6: Final answer
    x = 382,883.22

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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.