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Finding the Fourth Proportional to 706,272.98, 974,651.90 and 383,983.02

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Solution

The fourth proportional to 706,272.98, 974,651.90 and 383,983.02 is: 529,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,272.98 : 974,651.90 = 383,983.02 : x
  2. Step 2: Convert to fraction form
    706,272.98/974,651.90 = 383,983.02/x
  3. Step 3: Cross multiply
    706,272.98x = 974,651.90 × 383,983.02
  4. Step 4: Simplify right side
    706,272.98x = 374,249,780,010.74
  5. Step 5: Solve for x
    x = 374,249,780,010.74/706,272.98
  6. Step 6: Final answer
    x = 529,893.95

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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.