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Finding the Fourth Proportional to 352,254, 528,270.12 and 115,541.64

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Solution

The fourth proportional to 352,254, 528,270.12 and 115,541.64 is: 173,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,254 : 528,270.12 = 115,541.64 : x
  2. Step 2: Convert to fraction form
    352,254/528,270.12 = 115,541.64/x
  3. Step 3: Cross multiply
    352,254x = 528,270.12 × 115,541.64
  4. Step 4: Simplify right side
    352,254x = 61,037,196,027.80
  5. Step 5: Solve for x
    x = 61,037,196,027.80/352,254
  6. Step 6: Final answer
    x = 173,276.09

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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.