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Finding the Fourth Proportional to 713,058.85, 984,022.06 and 386,371.62

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Solution

The fourth proportional to 713,058.85, 984,022.06 and 386,371.62 is: 533,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,058.85 : 984,022.06 = 386,371.62 : x
  2. Step 2: Convert to fraction form
    713,058.85/984,022.06 = 386,371.62/x
  3. Step 3: Cross multiply
    713,058.85x = 984,022.06 × 386,371.62
  4. Step 4: Simplify right side
    713,058.85x = 380,198,197,196.46
  5. Step 5: Solve for x
    x = 380,198,197,196.46/713,058.85
  6. Step 6: Final answer
    x = 533,193.30

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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.