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Finding the Fourth Proportional to 346,457.55, 519,704.71 and 109,818.69

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Solution

The fourth proportional to 346,457.55, 519,704.71 and 109,818.69 is: 164,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,457.55 : 519,704.71 = 109,818.69 : x
  2. Step 2: Convert to fraction form
    346,457.55/519,704.71 = 109,818.69/x
  3. Step 3: Cross multiply
    346,457.55x = 519,704.71 × 109,818.69
  4. Step 4: Simplify right side
    346,457.55x = 57,073,288,215.59
  5. Step 5: Solve for x
    x = 57,073,288,215.59/346,457.55
  6. Step 6: Final answer
    x = 164,733.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.