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Finding the Fourth Proportional to 705,349.36, 973,381.89 and 383,059.54

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Solution

The fourth proportional to 705,349.36, 973,381.89 and 383,059.54 is: 528,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,349.36 : 973,381.89 = 383,059.54 : x
  2. Step 2: Convert to fraction form
    705,349.36/973,381.89 = 383,059.54/x
  3. Step 3: Cross multiply
    705,349.36x = 973,381.89 × 383,059.54
  4. Step 4: Simplify right side
    705,349.36x = 372,863,219,027.73
  5. Step 5: Solve for x
    x = 372,863,219,027.73/705,349.36
  6. Step 6: Final answer
    x = 528,622.04

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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.