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Finding the Fourth Proportional to 346,230, 477,797.52 and 187,254

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Solution

The fourth proportional to 346,230, 477,797.52 and 187,254 is: 258,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,230 : 477,797.52 = 187,254 : x
  2. Step 2: Convert to fraction form
    346,230/477,797.52 = 187,254/x
  3. Step 3: Cross multiply
    346,230x = 477,797.52 × 187,254
  4. Step 4: Simplify right side
    346,230x = 89,469,496,810.08
  5. Step 5: Solve for x
    x = 89,469,496,810.08/346,230
  6. Step 6: Final answer
    x = 258,410.58

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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.