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Finding the Fourth Proportional to 573,081.60, 859,622.40 and 548,812.80

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Solution

The fourth proportional to 573,081.60, 859,622.40 and 548,812.80 is: 823,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,081.60 : 859,622.40 = 548,812.80 : x
  2. Step 2: Convert to fraction form
    573,081.60/859,622.40 = 548,812.80/x
  3. Step 3: Cross multiply
    573,081.60x = 859,622.40 × 548,812.80
  4. Step 4: Simplify right side
    573,081.60x = 471,771,776,286.72
  5. Step 5: Solve for x
    x = 471,771,776,286.72/573,081.60
  6. Step 6: Final answer
    x = 823,219.20

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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.