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Finding the Fourth Proportional to 284,883.87, 393,260.78 and 177,506.95

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Solution

The fourth proportional to 284,883.87, 393,260.78 and 177,506.95 is: 245,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,883.87 : 393,260.78 = 177,506.95 : x
  2. Step 2: Convert to fraction form
    284,883.87/393,260.78 = 177,506.95/x
  3. Step 3: Cross multiply
    284,883.87x = 393,260.78 × 177,506.95
  4. Step 4: Simplify right side
    284,883.87x = 69,806,521,612.42
  5. Step 5: Solve for x
    x = 69,806,521,612.42/284,883.87
  6. Step 6: Final answer
    x = 245,035.01

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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.