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Finding the Fourth Proportional to 704,843.34, 972,684.72 and 382,553.40

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Solution

The fourth proportional to 704,843.34, 972,684.72 and 382,553.40 is: 527,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,843.34 : 972,684.72 = 382,553.40 : x
  2. Step 2: Convert to fraction form
    704,843.34/972,684.72 = 382,553.40/x
  3. Step 3: Cross multiply
    704,843.34x = 972,684.72 × 382,553.40
  4. Step 4: Simplify right side
    704,843.34x = 372,103,846,764.05
  5. Step 5: Solve for x
    x = 372,103,846,764.05/704,843.34
  6. Step 6: Final answer
    x = 527,924.19

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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.