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Finding the Fourth Proportional to 706,068.20, 974,375.36 and 383,777.42

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Solution

The fourth proportional to 706,068.20, 974,375.36 and 383,777.42 is: 529,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,068.20 : 974,375.36 = 383,777.42 : x
  2. Step 2: Convert to fraction form
    706,068.20/974,375.36 = 383,777.42/x
  3. Step 3: Cross multiply
    706,068.20x = 974,375.36 × 383,777.42
  4. Step 4: Simplify right side
    706,068.20x = 373,943,259,853.48
  5. Step 5: Solve for x
    x = 373,943,259,853.48/706,068.20
  6. Step 6: Final answer
    x = 529,613.51

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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.