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Finding the Fourth Proportional to 352,507.08, 528,119.09 and 314,715.72

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Solution

The fourth proportional to 352,507.08, 528,119.09 and 314,715.72 is: 471,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,507.08 : 528,119.09 = 314,715.72 : x
  2. Step 2: Convert to fraction form
    352,507.08/528,119.09 = 314,715.72/x
  3. Step 3: Cross multiply
    352,507.08x = 528,119.09 × 314,715.72
  4. Step 4: Simplify right side
    352,507.08x = 166,207,377,014.50
  5. Step 5: Solve for x
    x = 166,207,377,014.50/352,507.08
  6. Step 6: Final answer
    x = 471,500.83

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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.