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Finding the Fourth Proportional to 694,584.87, 958,222.93 and 407,975.73

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Solution

The fourth proportional to 694,584.87, 958,222.93 and 407,975.73 is: 562,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,584.87 : 958,222.93 = 407,975.73 : x
  2. Step 2: Convert to fraction form
    694,584.87/958,222.93 = 407,975.73/x
  3. Step 3: Cross multiply
    694,584.87x = 958,222.93 × 407,975.73
  4. Step 4: Simplify right side
    694,584.87x = 390,931,699,369.49
  5. Step 5: Solve for x
    x = 390,931,699,369.49/694,584.87
  6. Step 6: Final answer
    x = 562,827.84

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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.