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Finding the Fourth Proportional to 222,411.85, 333,477.59 and 188,689.63

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Solution

The fourth proportional to 222,411.85, 333,477.59 and 188,689.63 is: 282,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,411.85 : 333,477.59 = 188,689.63 : x
  2. Step 2: Convert to fraction form
    222,411.85/333,477.59 = 188,689.63/x
  3. Step 3: Cross multiply
    222,411.85x = 333,477.59 × 188,689.63
  4. Step 4: Simplify right side
    222,411.85x = 62,923,763,070.39
  5. Step 5: Solve for x
    x = 62,923,763,070.39/222,411.85
  6. Step 6: Final answer
    x = 282,915.51

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1.5x scale

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.