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Finding the Fourth Proportional to 352,548.54, 528,373.53 and 165,146.94

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Solution

The fourth proportional to 352,548.54, 528,373.53 and 165,146.94 is: 247,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,548.54 : 528,373.53 = 165,146.94 : x
  2. Step 2: Convert to fraction form
    352,548.54/528,373.53 = 165,146.94/x
  3. Step 3: Cross multiply
    352,548.54x = 528,373.53 × 165,146.94
  4. Step 4: Simplify right side
    352,548.54x = 87,259,271,656.50
  5. Step 5: Solve for x
    x = 87,259,271,656.50/352,548.54
  6. Step 6: Final answer
    x = 247,509.95

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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.