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Finding the Fourth Proportional to 560,271.34, 773,180.04 and 305,627.86

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Solution

The fourth proportional to 560,271.34, 773,180.04 and 305,627.86 is: 421,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,271.34 : 773,180.04 = 305,627.86 : x
  2. Step 2: Convert to fraction form
    560,271.34/773,180.04 = 305,627.86/x
  3. Step 3: Cross multiply
    560,271.34x = 773,180.04 × 305,627.86
  4. Step 4: Simplify right side
    560,271.34x = 236,305,361,019.91
  5. Step 5: Solve for x
    x = 236,305,361,019.91/560,271.34
  6. Step 6: Final answer
    x = 421,769.50

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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.