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Finding the Fourth Proportional to 706,797.09, 975,381.35 and 384,508.62

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Solution

The fourth proportional to 706,797.09, 975,381.35 and 384,508.62 is: 530,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,797.09 : 975,381.35 = 384,508.62 : x
  2. Step 2: Convert to fraction form
    706,797.09/975,381.35 = 384,508.62/x
  3. Step 3: Cross multiply
    706,797.09x = 975,381.35 × 384,508.62
  4. Step 4: Simplify right side
    706,797.09x = 375,042,534,939.69
  5. Step 5: Solve for x
    x = 375,042,534,939.69/706,797.09
  6. Step 6: Final answer
    x = 530,622.64

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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.