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Finding the Fourth Proportional to 616,581.20, 924,871.80 and 367,749.20

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Solution

The fourth proportional to 616,581.20, 924,871.80 and 367,749.20 is: 551,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,581.20 : 924,871.80 = 367,749.20 : x
  2. Step 2: Convert to fraction form
    616,581.20/924,871.80 = 367,749.20/x
  3. Step 3: Cross multiply
    616,581.20x = 924,871.80 × 367,749.20
  4. Step 4: Simplify right side
    616,581.20x = 340,120,864,552.56
  5. Step 5: Solve for x
    x = 340,120,864,552.56/616,581.20
  6. Step 6: Final answer
    x = 551,623.80

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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.