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Finding the Fourth Proportional to 364,794.49, 503,273.41 and 211,806.55

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Solution

The fourth proportional to 364,794.49, 503,273.41 and 211,806.55 is: 292,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,794.49 : 503,273.41 = 211,806.55 : x
  2. Step 2: Convert to fraction form
    364,794.49/503,273.41 = 211,806.55/x
  3. Step 3: Cross multiply
    364,794.49x = 503,273.41 × 211,806.55
  4. Step 4: Simplify right side
    364,794.49x = 106,596,604,678.84
  5. Step 5: Solve for x
    x = 106,596,604,678.84/364,794.49
  6. Step 6: Final answer
    x = 292,210.02

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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.