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Finding the Fourth Proportional to 705,606.33, 973,745.03 and 383,321.51

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Solution

The fourth proportional to 705,606.33, 973,745.03 and 383,321.51 is: 528,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,606.33 : 973,745.03 = 383,321.51 : x
  2. Step 2: Convert to fraction form
    705,606.33/973,745.03 = 383,321.51/x
  3. Step 3: Cross multiply
    705,606.33x = 973,745.03 × 383,321.51
  4. Step 4: Simplify right side
    705,606.33x = 373,257,414,995.72
  5. Step 5: Solve for x
    x = 373,257,414,995.72/705,606.33
  6. Step 6: Final answer
    x = 528,988.19

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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.