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Finding the Fourth Proportional to 352,805.80, 528,863.10 and 184,412.20

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Solution

The fourth proportional to 352,805.80, 528,863.10 and 184,412.20 is: 276,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,805.80 : 528,863.10 = 184,412.20 : x
  2. Step 2: Convert to fraction form
    352,805.80/528,863.10 = 184,412.20/x
  3. Step 3: Cross multiply
    352,805.80x = 528,863.10 × 184,412.20
  4. Step 4: Simplify right side
    352,805.80x = 97,528,807,769.82
  5. Step 5: Solve for x
    x = 97,528,807,769.82/352,805.80
  6. Step 6: Final answer
    x = 276,437.65

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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.