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Finding the Fourth Proportional to 706,380.88, 974,798.52 and 384,091.06

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Solution

The fourth proportional to 706,380.88, 974,798.52 and 384,091.06 is: 530,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,380.88 : 974,798.52 = 384,091.06 : x
  2. Step 2: Convert to fraction form
    706,380.88/974,798.52 = 384,091.06/x
  3. Step 3: Cross multiply
    706,380.88x = 974,798.52 × 384,091.06
  4. Step 4: Simplify right side
    706,380.88x = 374,411,396,833.23
  5. Step 5: Solve for x
    x = 374,411,396,833.23/706,380.88
  6. Step 6: Final answer
    x = 530,041.81

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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.