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Finding the Fourth Proportional to 706,045.77, 974,349.15 and 383,755.83

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Solution

The fourth proportional to 706,045.77, 974,349.15 and 383,755.83 is: 529,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,045.77 : 974,349.15 = 383,755.83 : x
  2. Step 2: Convert to fraction form
    706,045.77/974,349.15 = 383,755.83/x
  3. Step 3: Cross multiply
    706,045.77x = 974,349.15 × 383,755.83
  4. Step 4: Simplify right side
    706,045.77x = 373,912,166,768.05
  5. Step 5: Solve for x
    x = 373,912,166,768.05/706,045.77
  6. Step 6: Final answer
    x = 529,586.30

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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.