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Finding the Fourth Proportional to 706,043.14, 974,346 and 383,753.98

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Solution

The fourth proportional to 706,043.14, 974,346 and 383,753.98 is: 529,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,043.14 : 974,346 = 383,753.98 : x
  2. Step 2: Convert to fraction form
    706,043.14/974,346 = 383,753.98/x
  3. Step 3: Cross multiply
    706,043.14x = 974,346 × 383,753.98
  4. Step 4: Simplify right side
    706,043.14x = 373,909,155,397.08
  5. Step 5: Solve for x
    x = 373,909,155,397.08/706,043.14
  6. Step 6: Final answer
    x = 529,584.01

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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.