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Finding the Fourth Proportional to 472,858.68, 652,449.90 and 300,844.92

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Solution

The fourth proportional to 472,858.68, 652,449.90 and 300,844.92 is: 415,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,858.68 : 652,449.90 = 300,844.92 : x
  2. Step 2: Convert to fraction form
    472,858.68/652,449.90 = 300,844.92/x
  3. Step 3: Cross multiply
    472,858.68x = 652,449.90 × 300,844.92
  4. Step 4: Simplify right side
    472,858.68x = 196,286,237,969.51
  5. Step 5: Solve for x
    x = 196,286,237,969.51/472,858.68
  6. Step 6: Final answer
    x = 415,105.50

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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.