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Finding the Fourth Proportional to 535,264.72, 802,793.40 and 508,622.80

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Solution

The fourth proportional to 535,264.72, 802,793.40 and 508,622.80 is: 762,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,264.72 : 802,793.40 = 508,622.80 : x
  2. Step 2: Convert to fraction form
    535,264.72/802,793.40 = 508,622.80/x
  3. Step 3: Cross multiply
    535,264.72x = 802,793.40 × 508,622.80
  4. Step 4: Simplify right side
    535,264.72x = 408,319,026,929.52
  5. Step 5: Solve for x
    x = 408,319,026,929.52/535,264.72
  6. Step 6: Final answer
    x = 762,835.68

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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.