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Finding the Fourth Proportional to 346,151.70, 477,525.53 and 225,248.87

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Solution

The fourth proportional to 346,151.70, 477,525.53 and 225,248.87 is: 310,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,151.70 : 477,525.53 = 225,248.87 : x
  2. Step 2: Convert to fraction form
    346,151.70/477,525.53 = 225,248.87/x
  3. Step 3: Cross multiply
    346,151.70x = 477,525.53 × 225,248.87
  4. Step 4: Simplify right side
    346,151.70x = 107,562,087,785.59
  5. Step 5: Solve for x
    x = 107,562,087,785.59/346,151.70
  6. Step 6: Final answer
    x = 310,736.85

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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.