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Finding the Fourth Proportional to 584,798.56, 807,006 and 330,173.44

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Solution

The fourth proportional to 584,798.56, 807,006 and 330,173.44 is: 455,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,798.56 : 807,006 = 330,173.44 : x
  2. Step 2: Convert to fraction form
    584,798.56/807,006 = 330,173.44/x
  3. Step 3: Cross multiply
    584,798.56x = 807,006 × 330,173.44
  4. Step 4: Simplify right side
    584,798.56x = 266,451,947,120.64
  5. Step 5: Solve for x
    x = 266,451,947,120.64/584,798.56
  6. Step 6: Final answer
    x = 455,630.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.