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Finding the Fourth Proportional to 713,527.88, 984,698.24 and 391,250.34

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Solution

The fourth proportional to 713,527.88, 984,698.24 and 391,250.34 is: 539,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,527.88 : 984,698.24 = 391,250.34 : x
  2. Step 2: Convert to fraction form
    713,527.88/984,698.24 = 391,250.34/x
  3. Step 3: Cross multiply
    713,527.88x = 984,698.24 × 391,250.34
  4. Step 4: Simplify right side
    713,527.88x = 385,263,519,241.15
  5. Step 5: Solve for x
    x = 385,263,519,241.15/713,527.88
  6. Step 6: Final answer
    x = 539,941.79

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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.