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Finding the Fourth Proportional to 706,908.16, 975,537.48 and 384,620.68

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Solution

The fourth proportional to 706,908.16, 975,537.48 and 384,620.68 is: 530,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,908.16 : 975,537.48 = 384,620.68 : x
  2. Step 2: Convert to fraction form
    706,908.16/975,537.48 = 384,620.68/x
  3. Step 3: Cross multiply
    706,908.16x = 975,537.48 × 384,620.68
  4. Step 4: Simplify right side
    706,908.16x = 375,211,888,923.09
  5. Step 5: Solve for x
    x = 375,211,888,923.09/706,908.16
  6. Step 6: Final answer
    x = 530,778.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.