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Finding the Fourth Proportional to 277,439, 382,824.74 and 168,486.66

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Solution

The fourth proportional to 277,439, 382,824.74 and 168,486.66 is: 232,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,439 : 382,824.74 = 168,486.66 : x
  2. Step 2: Convert to fraction form
    277,439/382,824.74 = 168,486.66/x
  3. Step 3: Cross multiply
    277,439x = 382,824.74 × 168,486.66
  4. Step 4: Simplify right side
    277,439x = 64,500,861,807.97
  5. Step 5: Solve for x
    x = 64,500,861,807.97/277,439
  6. Step 6: Final answer
    x = 232,486.64

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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.