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Finding the Fourth Proportional to 555,920.41, 767,170.82 and 301,271.59

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Solution

The fourth proportional to 555,920.41, 767,170.82 and 301,271.59 is: 415,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,920.41 : 767,170.82 = 301,271.59 : x
  2. Step 2: Convert to fraction form
    555,920.41/767,170.82 = 301,271.59/x
  3. Step 3: Cross multiply
    555,920.41x = 767,170.82 × 301,271.59
  4. Step 4: Simplify right side
    555,920.41x = 231,126,772,743.00
  5. Step 5: Solve for x
    x = 231,126,772,743.00/555,920.41
  6. Step 6: Final answer
    x = 415,755.15

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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.