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Finding the Fourth Proportional to 548,718.60, 822,722.70 and 233,089.80

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Solution

The fourth proportional to 548,718.60, 822,722.70 and 233,089.80 is: 349,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,718.60 : 822,722.70 = 233,089.80 : x
  2. Step 2: Convert to fraction form
    548,718.60/822,722.70 = 233,089.80/x
  3. Step 3: Cross multiply
    548,718.60x = 822,722.70 × 233,089.80
  4. Step 4: Simplify right side
    548,718.60x = 191,768,269,598.46
  5. Step 5: Solve for x
    x = 191,768,269,598.46/548,718.60
  6. Step 6: Final answer
    x = 349,483.81

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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.