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Finding the Fourth Proportional to 713,698.58, 984,755.13 and 484,433.30

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Solution

The fourth proportional to 713,698.58, 984,755.13 and 484,433.30 is: 668,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,698.58 : 984,755.13 = 484,433.30 : x
  2. Step 2: Convert to fraction form
    713,698.58/984,755.13 = 484,433.30/x
  3. Step 3: Cross multiply
    713,698.58x = 984,755.13 × 484,433.30
  4. Step 4: Simplify right side
    713,698.58x = 477,048,177,317.83
  5. Step 5: Solve for x
    x = 477,048,177,317.83/713,698.58
  6. Step 6: Final answer
    x = 668,416.88

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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.