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Finding the Fourth Proportional to 325,513.51, 488,266.62 and 115,102.24

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Solution

The fourth proportional to 325,513.51, 488,266.62 and 115,102.24 is: 172,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,513.51 : 488,266.62 = 115,102.24 : x
  2. Step 2: Convert to fraction form
    325,513.51/488,266.62 = 115,102.24/x
  3. Step 3: Cross multiply
    325,513.51x = 488,266.62 × 115,102.24
  4. Step 4: Simplify right side
    325,513.51x = 56,200,578,662.38
  5. Step 5: Solve for x
    x = 56,200,578,662.38/325,513.51
  6. Step 6: Final answer
    x = 172,652.06

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1.5x scale

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.