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Finding the Fourth Proportional to 704,968.94, 972,858.36 and 382,679.25

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Solution

The fourth proportional to 704,968.94, 972,858.36 and 382,679.25 is: 528,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,968.94 : 972,858.36 = 382,679.25 : x
  2. Step 2: Convert to fraction form
    704,968.94/972,858.36 = 382,679.25/x
  3. Step 3: Cross multiply
    704,968.94x = 972,858.36 × 382,679.25
  4. Step 4: Simplify right side
    704,968.94x = 372,292,707,561.03
  5. Step 5: Solve for x
    x = 372,292,707,561.03/704,968.94
  6. Step 6: Final answer
    x = 528,098.03

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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.