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Finding the Fourth Proportional to 675,107.97, 931,665.23 and 384,713.33

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Solution

The fourth proportional to 675,107.97, 931,665.23 and 384,713.33 is: 530,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,107.97 : 931,665.23 = 384,713.33 : x
  2. Step 2: Convert to fraction form
    675,107.97/931,665.23 = 384,713.33/x
  3. Step 3: Cross multiply
    675,107.97x = 931,665.23 × 384,713.33
  4. Step 4: Simplify right side
    675,107.97x = 358,424,033,078.52
  5. Step 5: Solve for x
    x = 358,424,033,078.52/675,107.97
  6. Step 6: Final answer
    x = 530,913.64

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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.