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Finding the Fourth Proportional to 548,390.02, 822,279.38 and 169,203.10

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Solution

The fourth proportional to 548,390.02, 822,279.38 and 169,203.10 is: 253,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,390.02 : 822,279.38 = 169,203.10 : x
  2. Step 2: Convert to fraction form
    548,390.02/822,279.38 = 169,203.10/x
  3. Step 3: Cross multiply
    548,390.02x = 822,279.38 × 169,203.10
  4. Step 4: Simplify right side
    548,390.02x = 139,132,220,162.08
  5. Step 5: Solve for x
    x = 139,132,220,162.08/548,390.02
  6. Step 6: Final answer
    x = 253,710.34

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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.