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Finding the Fourth Proportional to 480,425.34, 720,667.74 and 160,606

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Solution

The fourth proportional to 480,425.34, 720,667.74 and 160,606 is: 240,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,425.34 : 720,667.74 = 160,606 : x
  2. Step 2: Convert to fraction form
    480,425.34/720,667.74 = 160,606/x
  3. Step 3: Cross multiply
    480,425.34x = 720,667.74 × 160,606
  4. Step 4: Simplify right side
    480,425.34x = 115,743,563,050.44
  5. Step 5: Solve for x
    x = 115,743,563,050.44/480,425.34
  6. Step 6: Final answer
    x = 240,918.94

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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.