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Finding the Fourth Proportional to 706,369.30, 974,782.85 and 384,079.51

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Solution

The fourth proportional to 706,369.30, 974,782.85 and 384,079.51 is: 530,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,369.30 : 974,782.85 = 384,079.51 : x
  2. Step 2: Convert to fraction form
    706,369.30/974,782.85 = 384,079.51/x
  3. Step 3: Cross multiply
    706,369.30x = 974,782.85 × 384,079.51
  4. Step 4: Simplify right side
    706,369.30x = 374,394,119,384.40
  5. Step 5: Solve for x
    x = 374,394,119,384.40/706,369.30
  6. Step 6: Final answer
    x = 530,026.04

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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.