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Finding the Fourth Proportional to 704,853.44, 972,687.74 and 382,555.25

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Solution

The fourth proportional to 704,853.44, 972,687.74 and 382,555.25 is: 527,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,853.44 : 972,687.74 = 382,555.25 : x
  2. Step 2: Convert to fraction form
    704,853.44/972,687.74 = 382,555.25/x
  3. Step 3: Cross multiply
    704,853.44x = 972,687.74 × 382,555.25
  4. Step 4: Simplify right side
    704,853.44x = 372,106,802,066.58
  5. Step 5: Solve for x
    x = 372,106,802,066.58/704,853.44
  6. Step 6: Final answer
    x = 527,920.81

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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.