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Finding the Fourth Proportional to 704,855.88, 972,675.09 and 382,559.06

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Solution

The fourth proportional to 704,855.88, 972,675.09 and 382,559.06 is: 527,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,855.88 : 972,675.09 = 382,559.06 : x
  2. Step 2: Convert to fraction form
    704,855.88/972,675.09 = 382,559.06/x
  3. Step 3: Cross multiply
    704,855.88x = 972,675.09 × 382,559.06
  4. Step 4: Simplify right side
    704,855.88x = 372,105,663,252.44
  5. Step 5: Solve for x
    x = 372,105,663,252.44/704,855.88
  6. Step 6: Final answer
    x = 527,917.37

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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.