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Finding the Fourth Proportional to 706,181.52, 974,519.03 and 383,899.74

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Solution

The fourth proportional to 706,181.52, 974,519.03 and 383,899.74 is: 529,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,181.52 : 974,519.03 = 383,899.74 : x
  2. Step 2: Convert to fraction form
    706,181.52/974,519.03 = 383,899.74/x
  3. Step 3: Cross multiply
    706,181.52x = 974,519.03 × 383,899.74
  4. Step 4: Simplify right side
    706,181.52x = 374,117,600,322.55
  5. Step 5: Solve for x
    x = 374,117,600,322.55/706,181.52
  6. Step 6: Final answer
    x = 529,775.40

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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.