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Finding the Fourth Proportional to 606,808.80, 911,962.80 and 529,826.40

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Solution

The fourth proportional to 606,808.80, 911,962.80 and 529,826.40 is: 796,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,808.80 : 911,962.80 = 529,826.40 : x
  2. Step 2: Convert to fraction form
    606,808.80/911,962.80 = 529,826.40/x
  3. Step 3: Cross multiply
    606,808.80x = 911,962.80 × 529,826.40
  4. Step 4: Simplify right side
    606,808.80x = 483,181,967,257.92
  5. Step 5: Solve for x
    x = 483,181,967,257.92/606,808.80
  6. Step 6: Final answer
    x = 796,267.24

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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.