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Finding the Fourth Proportional to 651,763.96, 977,459.34 and 225,188.22

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Solution

The fourth proportional to 651,763.96, 977,459.34 and 225,188.22 is: 337,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,763.96 : 977,459.34 = 225,188.22 : x
  2. Step 2: Convert to fraction form
    651,763.96/977,459.34 = 225,188.22/x
  3. Step 3: Cross multiply
    651,763.96x = 977,459.34 × 225,188.22
  4. Step 4: Simplify right side
    651,763.96x = 220,112,328,896.98
  5. Step 5: Solve for x
    x = 220,112,328,896.98/651,763.96
  6. Step 6: Final answer
    x = 337,717.86

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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.