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Finding the Fourth Proportional to 346,093.58, 518,733.30 and 156,332.42

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Solution

The fourth proportional to 346,093.58, 518,733.30 and 156,332.42 is: 234,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,093.58 : 518,733.30 = 156,332.42 : x
  2. Step 2: Convert to fraction form
    346,093.58/518,733.30 = 156,332.42/x
  3. Step 3: Cross multiply
    346,093.58x = 518,733.30 × 156,332.42
  4. Step 4: Simplify right side
    346,093.58x = 81,094,832,123.59
  5. Step 5: Solve for x
    x = 81,094,832,123.59/346,093.58
  6. Step 6: Final answer
    x = 234,314.75

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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.