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Finding the Fourth Proportional to 303,316.02, 418,580.37 and 167,355.90

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Solution

The fourth proportional to 303,316.02, 418,580.37 and 167,355.90 is: 230,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,316.02 : 418,580.37 = 167,355.90 : x
  2. Step 2: Convert to fraction form
    303,316.02/418,580.37 = 167,355.90/x
  3. Step 3: Cross multiply
    303,316.02x = 418,580.37 × 167,355.90
  4. Step 4: Simplify right side
    303,316.02x = 70,051,894,543.68
  5. Step 5: Solve for x
    x = 70,051,894,543.68/303,316.02
  6. Step 6: Final answer
    x = 230,953.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.