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Finding the Fourth Proportional to 706,866.12, 975,464.52 and 384,568.85

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Solution

The fourth proportional to 706,866.12, 975,464.52 and 384,568.85 is: 530,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,866.12 : 975,464.52 = 384,568.85 : x
  2. Step 2: Convert to fraction form
    706,866.12/975,464.52 = 384,568.85/x
  3. Step 3: Cross multiply
    706,866.12x = 975,464.52 × 384,568.85
  4. Step 4: Simplify right side
    706,866.12x = 375,133,263,794.88
  5. Step 5: Solve for x
    x = 375,133,263,794.88/706,866.12
  6. Step 6: Final answer
    x = 530,699.17

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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.