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Finding the Fourth Proportional to 978,841.06, 1,468,411.94 and 529,625.79

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Solution

The fourth proportional to 978,841.06, 1,468,411.94 and 529,625.79 is: 794,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,841.06 : 1,468,411.94 = 529,625.79 : x
  2. Step 2: Convert to fraction form
    978,841.06/1,468,411.94 = 529,625.79/x
  3. Step 3: Cross multiply
    978,841.06x = 1,468,411.94 × 529,625.79
  4. Step 4: Simplify right side
    978,841.06x = 777,708,835,092.00
  5. Step 5: Solve for x
    x = 777,708,835,092.00/978,841.06
  6. Step 6: Final answer
    x = 794,520.04

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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.