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Finding the Fourth Proportional to 713,007.44, 983,853.97 and 407,064.37

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Solution

The fourth proportional to 713,007.44, 983,853.97 and 407,064.37 is: 561,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,007.44 : 983,853.97 = 407,064.37 : x
  2. Step 2: Convert to fraction form
    713,007.44/983,853.97 = 407,064.37/x
  3. Step 3: Cross multiply
    713,007.44x = 983,853.97 × 407,064.37
  4. Step 4: Simplify right side
    713,007.44x = 400,491,896,470.05
  5. Step 5: Solve for x
    x = 400,491,896,470.05/713,007.44
  6. Step 6: Final answer
    x = 561,693.85

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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.