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Finding the Fourth Proportional to 705,993.86, 974,277.93 and 383,704.73

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Solution

The fourth proportional to 705,993.86, 974,277.93 and 383,704.73 is: 529,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,993.86 : 974,277.93 = 383,704.73 : x
  2. Step 2: Convert to fraction form
    705,993.86/974,277.93 = 383,704.73/x
  3. Step 3: Cross multiply
    705,993.86x = 974,277.93 × 383,704.73
  4. Step 4: Simplify right side
    705,993.86x = 373,835,050,075.61
  5. Step 5: Solve for x
    x = 373,835,050,075.61/705,993.86
  6. Step 6: Final answer
    x = 529,516.01

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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.