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Finding the Fourth Proportional to 584,003.70, 876,005.55 and 465,905.70

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Solution

The fourth proportional to 584,003.70, 876,005.55 and 465,905.70 is: 698,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,003.70 : 876,005.55 = 465,905.70 : x
  2. Step 2: Convert to fraction form
    584,003.70/876,005.55 = 465,905.70/x
  3. Step 3: Cross multiply
    584,003.70x = 876,005.55 × 465,905.70
  4. Step 4: Simplify right side
    584,003.70x = 408,135,978,976.64
  5. Step 5: Solve for x
    x = 408,135,978,976.64/584,003.70
  6. Step 6: Final answer
    x = 698,858.55

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Similar ratio
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1.5x scale

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.