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Finding the Fourth Proportional to 325,971.42, 488,840.49 and 176,322.30

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Solution

The fourth proportional to 325,971.42, 488,840.49 and 176,322.30 is: 264,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,971.42 : 488,840.49 = 176,322.30 : x
  2. Step 2: Convert to fraction form
    325,971.42/488,840.49 = 176,322.30/x
  3. Step 3: Cross multiply
    325,971.42x = 488,840.49 × 176,322.30
  4. Step 4: Simplify right side
    325,971.42x = 86,193,479,529.93
  5. Step 5: Solve for x
    x = 86,193,479,529.93/325,971.42
  6. Step 6: Final answer
    x = 264,420.36

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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.