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Finding the Fourth Proportional to 503,276.59, 755,031.37 and 263,520.74

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Solution

The fourth proportional to 503,276.59, 755,031.37 and 263,520.74 is: 395,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,276.59 : 755,031.37 = 263,520.74 : x
  2. Step 2: Convert to fraction form
    503,276.59/755,031.37 = 263,520.74/x
  3. Step 3: Cross multiply
    503,276.59x = 755,031.37 × 263,520.74
  4. Step 4: Simplify right side
    503,276.59x = 198,966,425,345.61
  5. Step 5: Solve for x
    x = 198,966,425,345.61/503,276.59
  6. Step 6: Final answer
    x = 395,342.10

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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.