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Finding the Fourth Proportional to 475,499.48, 713,358.56 and 155,661.66

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Solution

The fourth proportional to 475,499.48, 713,358.56 and 155,661.66 is: 233,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,499.48 : 713,358.56 = 155,661.66 : x
  2. Step 2: Convert to fraction form
    475,499.48/713,358.56 = 155,661.66/x
  3. Step 3: Cross multiply
    475,499.48x = 713,358.56 × 155,661.66
  4. Step 4: Simplify right side
    475,499.48x = 111,042,578,013.96
  5. Step 5: Solve for x
    x = 111,042,578,013.96/475,499.48
  6. Step 6: Final answer
    x = 233,528.29

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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.