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Finding the Fourth Proportional to 706,339.59, 974,741.76 and 384,049.69

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Solution

The fourth proportional to 706,339.59, 974,741.76 and 384,049.69 is: 529,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,339.59 : 974,741.76 = 384,049.69 : x
  2. Step 2: Convert to fraction form
    706,339.59/974,741.76 = 384,049.69/x
  3. Step 3: Cross multiply
    706,339.59x = 974,741.76 × 384,049.69
  4. Step 4: Simplify right side
    706,339.59x = 374,349,270,758.05
  5. Step 5: Solve for x
    x = 374,349,270,758.05/706,339.59
  6. Step 6: Final answer
    x = 529,984.83

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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.