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Finding the Fourth Proportional to 569,336.34, 855,054.27 and 451,763.22

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Solution

The fourth proportional to 569,336.34, 855,054.27 and 451,763.22 is: 678,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,336.34 : 855,054.27 = 451,763.22 : x
  2. Step 2: Convert to fraction form
    569,336.34/855,054.27 = 451,763.22/x
  3. Step 3: Cross multiply
    569,336.34x = 855,054.27 × 451,763.22
  4. Step 4: Simplify right side
    569,336.34x = 386,282,070,289.95
  5. Step 5: Solve for x
    x = 386,282,070,289.95/569,336.34
  6. Step 6: Final answer
    x = 678,477.81

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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.