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Finding the Fourth Proportional to 706,027.95, 974,328.44 and 383,737.95

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Solution

The fourth proportional to 706,027.95, 974,328.44 and 383,737.95 is: 529,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,027.95 : 974,328.44 = 383,737.95 : x
  2. Step 2: Convert to fraction form
    706,027.95/974,328.44 = 383,737.95/x
  3. Step 3: Cross multiply
    706,027.95x = 974,328.44 × 383,737.95
  4. Step 4: Simplify right side
    706,027.95x = 373,886,796,273.61
  5. Step 5: Solve for x
    x = 373,886,796,273.61/706,027.95
  6. Step 6: Final answer
    x = 529,563.73

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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.