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Finding the Fourth Proportional to 319,202.10, 478,944.19 and 167,362.89

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Solution

The fourth proportional to 319,202.10, 478,944.19 and 167,362.89 is: 251,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,202.10 : 478,944.19 = 167,362.89 : x
  2. Step 2: Convert to fraction form
    319,202.10/478,944.19 = 167,362.89/x
  3. Step 3: Cross multiply
    319,202.10x = 478,944.19 × 167,362.89
  4. Step 4: Simplify right side
    319,202.10x = 80,157,483,884.06
  5. Step 5: Solve for x
    x = 80,157,483,884.06/319,202.10
  6. Step 6: Final answer
    x = 251,118.28

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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.