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Finding the Fourth Proportional to 577,692.16, 866,536.96 and 157,029.12

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Solution

The fourth proportional to 577,692.16, 866,536.96 and 157,029.12 is: 235,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,692.16 : 866,536.96 = 157,029.12 : x
  2. Step 2: Convert to fraction form
    577,692.16/866,536.96 = 157,029.12/x
  3. Step 3: Cross multiply
    577,692.16x = 866,536.96 × 157,029.12
  4. Step 4: Simplify right side
    577,692.16x = 136,071,536,276.28
  5. Step 5: Solve for x
    x = 136,071,536,276.28/577,692.16
  6. Step 6: Final answer
    x = 235,543.33

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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.