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Finding the Fourth Proportional to 706,993.69, 975,643.09 and 384,698.23

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Solution

The fourth proportional to 706,993.69, 975,643.09 and 384,698.23 is: 530,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,993.69 : 975,643.09 = 384,698.23 : x
  2. Step 2: Convert to fraction form
    706,993.69/975,643.09 = 384,698.23/x
  3. Step 3: Cross multiply
    706,993.69x = 975,643.09 × 384,698.23
  4. Step 4: Simplify right side
    706,993.69x = 375,328,171,312.09
  5. Step 5: Solve for x
    x = 375,328,171,312.09/706,993.69
  6. Step 6: Final answer
    x = 530,879.10

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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.