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Finding the Fourth Proportional to 560,186.75, 773,066.93 and 305,537.94

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Solution

The fourth proportional to 560,186.75, 773,066.93 and 305,537.94 is: 421,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,186.75 : 773,066.93 = 305,537.94 : x
  2. Step 2: Convert to fraction form
    560,186.75/773,066.93 = 305,537.94/x
  3. Step 3: Cross multiply
    560,186.75x = 773,066.93 × 305,537.94
  4. Step 4: Simplify right side
    560,186.75x = 236,201,277,274.32
  5. Step 5: Solve for x
    x = 236,201,277,274.32/560,186.75
  6. Step 6: Final answer
    x = 421,647.38

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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.