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Finding the Fourth Proportional to 529,960.40, 794,940.60 and 175,029.20

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Solution

The fourth proportional to 529,960.40, 794,940.60 and 175,029.20 is: 262,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,960.40 : 794,940.60 = 175,029.20 : x
  2. Step 2: Convert to fraction form
    529,960.40/794,940.60 = 175,029.20/x
  3. Step 3: Cross multiply
    529,960.40x = 794,940.60 × 175,029.20
  4. Step 4: Simplify right side
    529,960.40x = 139,137,817,265.52
  5. Step 5: Solve for x
    x = 139,137,817,265.52/529,960.40
  6. Step 6: Final answer
    x = 262,543.80

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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.