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Finding the Fourth Proportional to 365,662.82, 504,411.60 and 212,683.79

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Solution

The fourth proportional to 365,662.82, 504,411.60 and 212,683.79 is: 293,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,662.82 : 504,411.60 = 212,683.79 : x
  2. Step 2: Convert to fraction form
    365,662.82/504,411.60 = 212,683.79/x
  3. Step 3: Cross multiply
    365,662.82x = 504,411.60 × 212,683.79
  4. Step 4: Simplify right side
    365,662.82x = 107,280,172,068.99
  5. Step 5: Solve for x
    x = 107,280,172,068.99/365,662.82
  6. Step 6: Final answer
    x = 293,385.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.