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Finding the Fourth Proportional to 706,158.91, 974,492.36 and 383,849.83

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Solution

The fourth proportional to 706,158.91, 974,492.36 and 383,849.83 is: 529,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,158.91 : 974,492.36 = 383,849.83 : x
  2. Step 2: Convert to fraction form
    706,158.91/974,492.36 = 383,849.83/x
  3. Step 3: Cross multiply
    706,158.91x = 974,492.36 × 383,849.83
  4. Step 4: Simplify right side
    706,158.91x = 374,058,726,722.30
  5. Step 5: Solve for x
    x = 374,058,726,722.30/706,158.91
  6. Step 6: Final answer
    x = 529,709.00

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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.