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Finding the Fourth Proportional to 567,247.60, 849,121.80 and 329,885.20

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Solution

The fourth proportional to 567,247.60, 849,121.80 and 329,885.20 is: 493,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,247.60 : 849,121.80 = 329,885.20 : x
  2. Step 2: Convert to fraction form
    567,247.60/849,121.80 = 329,885.20/x
  3. Step 3: Cross multiply
    567,247.60x = 849,121.80 × 329,885.20
  4. Step 4: Simplify right side
    567,247.60x = 280,112,714,817.36
  5. Step 5: Solve for x
    x = 280,112,714,817.36/567,247.60
  6. Step 6: Final answer
    x = 493,810.31

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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.