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Finding the Fourth Proportional to 303,045.48, 454,699.32 and 162,640.08

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Solution

The fourth proportional to 303,045.48, 454,699.32 and 162,640.08 is: 244,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,045.48 : 454,699.32 = 162,640.08 : x
  2. Step 2: Convert to fraction form
    303,045.48/454,699.32 = 162,640.08/x
  3. Step 3: Cross multiply
    303,045.48x = 454,699.32 × 162,640.08
  4. Step 4: Simplify right side
    303,045.48x = 73,952,333,780.75
  5. Step 5: Solve for x
    x = 73,952,333,780.75/303,045.48
  6. Step 6: Final answer
    x = 244,030.48

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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.