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Finding the Fourth Proportional to 706,997.19, 975,647.91 and 384,701.74

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Solution

The fourth proportional to 706,997.19, 975,647.91 and 384,701.74 is: 530,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,997.19 : 975,647.91 = 384,701.74 : x
  2. Step 2: Convert to fraction form
    706,997.19/975,647.91 = 384,701.74/x
  3. Step 3: Cross multiply
    706,997.19x = 975,647.91 × 384,701.74
  4. Step 4: Simplify right side
    706,997.19x = 375,333,448,604.36
  5. Step 5: Solve for x
    x = 375,333,448,604.36/706,997.19
  6. Step 6: Final answer
    x = 530,883.93

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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.