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Finding the Fourth Proportional to 706,922.40, 975,523.72 and 384,633.76

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Solution

The fourth proportional to 706,922.40, 975,523.72 and 384,633.76 is: 530,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,922.40 : 975,523.72 = 384,633.76 : x
  2. Step 2: Convert to fraction form
    706,922.40/975,523.72 = 384,633.76/x
  3. Step 3: Cross multiply
    706,922.40x = 975,523.72 × 384,633.76
  4. Step 4: Simplify right side
    706,922.40x = 375,219,356,392.79
  5. Step 5: Solve for x
    x = 375,219,356,392.79/706,922.40
  6. Step 6: Final answer
    x = 530,778.71

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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.