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Finding the Fourth Proportional to 558,571.39, 770,710.91 and 365,262.46

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Solution

The fourth proportional to 558,571.39, 770,710.91 and 365,262.46 is: 503,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,571.39 : 770,710.91 = 365,262.46 : x
  2. Step 2: Convert to fraction form
    558,571.39/770,710.91 = 365,262.46/x
  3. Step 3: Cross multiply
    558,571.39x = 770,710.91 × 365,262.46
  4. Step 4: Simplify right side
    558,571.39x = 281,511,759,182.35
  5. Step 5: Solve for x
    x = 281,511,759,182.35/558,571.39
  6. Step 6: Final answer
    x = 503,985.28

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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.