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Finding the Fourth Proportional to 802,893.60, 1,204,048.80 and 403,401.60

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Solution

The fourth proportional to 802,893.60, 1,204,048.80 and 403,401.60 is: 604,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,893.60 : 1,204,048.80 = 403,401.60 : x
  2. Step 2: Convert to fraction form
    802,893.60/1,204,048.80 = 403,401.60/x
  3. Step 3: Cross multiply
    802,893.60x = 1,204,048.80 × 403,401.60
  4. Step 4: Simplify right side
    802,893.60x = 485,715,212,398.08
  5. Step 5: Solve for x
    x = 485,715,212,398.08/802,893.60
  6. Step 6: Final answer
    x = 604,955.89

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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.