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Finding the Fourth Proportional to 706,027.12, 974,323.92 and 383,737.96

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Solution

The fourth proportional to 706,027.12, 974,323.92 and 383,737.96 is: 529,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,027.12 : 974,323.92 = 383,737.96 : x
  2. Step 2: Convert to fraction form
    706,027.12/974,323.92 = 383,737.96/x
  3. Step 3: Cross multiply
    706,027.12x = 974,323.92 × 383,737.96
  4. Step 4: Simplify right side
    706,027.12x = 373,885,073,440.00
  5. Step 5: Solve for x
    x = 373,885,073,440.00/706,027.12
  6. Step 6: Final answer
    x = 529,561.91

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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.