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Finding the Fourth Proportional to 352,800.80, 528,855.60 and 184,407.20

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Solution

The fourth proportional to 352,800.80, 528,855.60 and 184,407.20 is: 276,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,800.80 : 528,855.60 = 184,407.20 : x
  2. Step 2: Convert to fraction form
    352,800.80/528,855.60 = 184,407.20/x
  3. Step 3: Cross multiply
    352,800.80x = 528,855.60 × 184,407.20
  4. Step 4: Simplify right side
    352,800.80x = 97,524,780,400.32
  5. Step 5: Solve for x
    x = 97,524,780,400.32/352,800.80
  6. Step 6: Final answer
    x = 276,430.16

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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.