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Finding the Fourth Proportional to 560,751.36, 773,733.38 and 319,019.82

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Solution

The fourth proportional to 560,751.36, 773,733.38 and 319,019.82 is: 440,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,751.36 : 773,733.38 = 319,019.82 : x
  2. Step 2: Convert to fraction form
    560,751.36/773,733.38 = 319,019.82/x
  3. Step 3: Cross multiply
    560,751.36x = 773,733.38 × 319,019.82
  4. Step 4: Simplify right side
    560,751.36x = 246,836,283,615.59
  5. Step 5: Solve for x
    x = 246,836,283,615.59/560,751.36
  6. Step 6: Final answer
    x = 440,188.47

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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.