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Finding the Fourth Proportional to 346,502.70, 519,754.05 and 234,309.60

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Solution

The fourth proportional to 346,502.70, 519,754.05 and 234,309.60 is: 351,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,502.70 : 519,754.05 = 234,309.60 : x
  2. Step 2: Convert to fraction form
    346,502.70/519,754.05 = 234,309.60/x
  3. Step 3: Cross multiply
    346,502.70x = 519,754.05 × 234,309.60
  4. Step 4: Simplify right side
    346,502.70x = 121,783,363,553.88
  5. Step 5: Solve for x
    x = 121,783,363,553.88/346,502.70
  6. Step 6: Final answer
    x = 351,464.40

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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.