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Finding the Fourth Proportional to 336,687.51, 464,208.48 and 215,629.77

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Solution

The fourth proportional to 336,687.51, 464,208.48 and 215,629.77 is: 297,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,687.51 : 464,208.48 = 215,629.77 : x
  2. Step 2: Convert to fraction form
    336,687.51/464,208.48 = 215,629.77/x
  3. Step 3: Cross multiply
    336,687.51x = 464,208.48 × 215,629.77
  4. Step 4: Simplify right side
    336,687.51x = 100,097,167,774.45
  5. Step 5: Solve for x
    x = 100,097,167,774.45/336,687.51
  6. Step 6: Final answer
    x = 297,299.91

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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.