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Finding the Fourth Proportional to 548,356.55, 822,333.35 and 188,425.32

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Solution

The fourth proportional to 548,356.55, 822,333.35 and 188,425.32 is: 282,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,356.55 : 822,333.35 = 188,425.32 : x
  2. Step 2: Convert to fraction form
    548,356.55/822,333.35 = 188,425.32/x
  3. Step 3: Cross multiply
    548,356.55x = 822,333.35 × 188,425.32
  4. Step 4: Simplify right side
    548,356.55x = 154,948,423,678.30
  5. Step 5: Solve for x
    x = 154,948,423,678.30/548,356.55
  6. Step 6: Final answer
    x = 282,568.75

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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.