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Finding the Fourth Proportional to 352,083.16, 528,652.86 and 339,835.96

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Solution

The fourth proportional to 352,083.16, 528,652.86 and 339,835.96 is: 510,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,083.16 : 528,652.86 = 339,835.96 : x
  2. Step 2: Convert to fraction form
    352,083.16/528,652.86 = 339,835.96/x
  3. Step 3: Cross multiply
    352,083.16x = 528,652.86 × 339,835.96
  4. Step 4: Simplify right side
    352,083.16x = 179,655,252,184.85
  5. Step 5: Solve for x
    x = 179,655,252,184.85/352,083.16
  6. Step 6: Final answer
    x = 510,263.69

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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.