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Finding the Fourth Proportional to 590,042.80, 885,720.30 and 365,656.60

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Solution

The fourth proportional to 590,042.80, 885,720.30 and 365,656.60 is: 548,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,042.80 : 885,720.30 = 365,656.60 : x
  2. Step 2: Convert to fraction form
    590,042.80/885,720.30 = 365,656.60/x
  3. Step 3: Cross multiply
    590,042.80x = 885,720.30 × 365,656.60
  4. Step 4: Simplify right side
    590,042.80x = 323,869,473,448.98
  5. Step 5: Solve for x
    x = 323,869,473,448.98/590,042.80
  6. Step 6: Final answer
    x = 548,891.49

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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.