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Finding the Fourth Proportional to 707,291.97, 976,084.93 and 385,023.54

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Solution

The fourth proportional to 707,291.97, 976,084.93 and 385,023.54 is: 531,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,291.97 : 976,084.93 = 385,023.54 : x
  2. Step 2: Convert to fraction form
    707,291.97/976,084.93 = 385,023.54/x
  3. Step 3: Cross multiply
    707,291.97x = 976,084.93 × 385,023.54
  4. Step 4: Simplify right side
    707,291.97x = 375,815,675,089.25
  5. Step 5: Solve for x
    x = 375,815,675,089.25/707,291.97
  6. Step 6: Final answer
    x = 531,344.47

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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.