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Finding the Fourth Proportional to 346,237.77, 477,794.79 and 210,277.46

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Solution

The fourth proportional to 346,237.77, 477,794.79 and 210,277.46 is: 290,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,237.77 : 477,794.79 = 210,277.46 : x
  2. Step 2: Convert to fraction form
    346,237.77/477,794.79 = 210,277.46/x
  3. Step 3: Cross multiply
    346,237.77x = 477,794.79 × 210,277.46
  4. Step 4: Simplify right side
    346,237.77x = 100,469,472,453.46
  5. Step 5: Solve for x
    x = 100,469,472,453.46/346,237.77
  6. Step 6: Final answer
    x = 290,174.79

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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.