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Finding the Fourth Proportional to 475,404.45, 713,173.27 and 155,581.45

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Solution

The fourth proportional to 475,404.45, 713,173.27 and 155,581.45 is: 233,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,404.45 : 713,173.27 = 155,581.45 : x
  2. Step 2: Convert to fraction form
    475,404.45/713,173.27 = 155,581.45/x
  3. Step 3: Cross multiply
    475,404.45x = 713,173.27 × 155,581.45
  4. Step 4: Simplify right side
    475,404.45x = 110,956,534,204.33
  5. Step 5: Solve for x
    x = 110,956,534,204.33/475,404.45
  6. Step 6: Final answer
    x = 233,393.98

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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.