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Finding the Fourth Proportional to 705,774.92, 973,975.33 and 383,485.02

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Solution

The fourth proportional to 705,774.92, 973,975.33 and 383,485.02 is: 529,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,774.92 : 973,975.33 = 383,485.02 : x
  2. Step 2: Convert to fraction form
    705,774.92/973,975.33 = 383,485.02/x
  3. Step 3: Cross multiply
    705,774.92x = 973,975.33 × 383,485.02
  4. Step 4: Simplify right side
    705,774.92x = 373,504,948,904.56
  5. Step 5: Solve for x
    x = 373,504,948,904.56/705,774.92
  6. Step 6: Final answer
    x = 529,212.56

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1.5x scale

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.