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Finding the Fourth Proportional to 804,478.56, 1,110,150 and 446,805.60

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Solution

The fourth proportional to 804,478.56, 1,110,150 and 446,805.60 is: 616,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,478.56 : 1,110,150 = 446,805.60 : x
  2. Step 2: Convert to fraction form
    804,478.56/1,110,150 = 446,805.60/x
  3. Step 3: Cross multiply
    804,478.56x = 1,110,150 × 446,805.60
  4. Step 4: Simplify right side
    804,478.56x = 496,021,236,840
  5. Step 5: Solve for x
    x = 496,021,236,840/804,478.56
  6. Step 6: Final answer
    x = 616,574.84

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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.