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Finding the Fourth Proportional to 771,293.90, 1,064,259.04 and 484,611

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Solution

The fourth proportional to 771,293.90, 1,064,259.04 and 484,611 is: 668,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,293.90 : 1,064,259.04 = 484,611 : x
  2. Step 2: Convert to fraction form
    771,293.90/1,064,259.04 = 484,611/x
  3. Step 3: Cross multiply
    771,293.90x = 1,064,259.04 × 484,611
  4. Step 4: Simplify right side
    771,293.90x = 515,751,637,633.44
  5. Step 5: Solve for x
    x = 515,751,637,633.44/771,293.90
  6. Step 6: Final answer
    x = 668,683.67

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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.