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Finding the Fourth Proportional to 346,214.52, 477,777.44 and 187,238.52

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Solution

The fourth proportional to 346,214.52, 477,777.44 and 187,238.52 is: 258,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,214.52 : 477,777.44 = 187,238.52 : x
  2. Step 2: Convert to fraction form
    346,214.52/477,777.44 = 187,238.52/x
  3. Step 3: Cross multiply
    346,214.52x = 477,777.44 × 187,238.52
  4. Step 4: Simplify right side
    346,214.52x = 89,458,340,754.99
  5. Step 5: Solve for x
    x = 89,458,340,754.99/346,214.52
  6. Step 6: Final answer
    x = 258,389.92

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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.