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Finding the Fourth Proportional to 606,384.56, 909,579 and 185,658.68

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Solution

The fourth proportional to 606,384.56, 909,579 and 185,658.68 is: 278,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,384.56 : 909,579 = 185,658.68 : x
  2. Step 2: Convert to fraction form
    606,384.56/909,579 = 185,658.68/x
  3. Step 3: Cross multiply
    606,384.56x = 909,579 × 185,658.68
  4. Step 4: Simplify right side
    606,384.56x = 168,871,236,495.72
  5. Step 5: Solve for x
    x = 168,871,236,495.72/606,384.56
  6. Step 6: Final answer
    x = 278,488.68

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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.