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Finding the Fourth Proportional to 705,851.62, 974,074.48 and 383,560.94

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Solution

The fourth proportional to 705,851.62, 974,074.48 and 383,560.94 is: 529,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,851.62 : 974,074.48 = 383,560.94 : x
  2. Step 2: Convert to fraction form
    705,851.62/974,074.48 = 383,560.94/x
  3. Step 3: Cross multiply
    705,851.62x = 974,074.48 × 383,560.94
  4. Step 4: Simplify right side
    705,851.62x = 373,616,923,178.81
  5. Step 5: Solve for x
    x = 373,616,923,178.81/705,851.62
  6. Step 6: Final answer
    x = 529,313.69

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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.