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Finding the Fourth Proportional to 510,185.53, 705,027.06 and 382,639.69

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Solution

The fourth proportional to 510,185.53, 705,027.06 and 382,639.69 is: 528,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,185.53 : 705,027.06 = 382,639.69 : x
  2. Step 2: Convert to fraction form
    510,185.53/705,027.06 = 382,639.69/x
  3. Step 3: Cross multiply
    510,185.53x = 705,027.06 × 382,639.69
  4. Step 4: Simplify right side
    510,185.53x = 269,771,330,241.68
  5. Step 5: Solve for x
    x = 269,771,330,241.68/510,185.53
  6. Step 6: Final answer
    x = 528,771.04

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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.