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Finding the Fourth Proportional to 706,162.91, 974,511.08 and 383,873.52

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Solution

The fourth proportional to 706,162.91, 974,511.08 and 383,873.52 is: 529,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,162.91 : 974,511.08 = 383,873.52 : x
  2. Step 2: Convert to fraction form
    706,162.91/974,511.08 = 383,873.52/x
  3. Step 3: Cross multiply
    706,162.91x = 974,511.08 × 383,873.52
  4. Step 4: Simplify right side
    706,162.91x = 374,088,999,518.29
  5. Step 5: Solve for x
    x = 374,088,999,518.29/706,162.91
  6. Step 6: Final answer
    x = 529,748.87

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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.