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Finding the Fourth Proportional to 555,918.41, 767,168.06 and 301,269.59

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Solution

The fourth proportional to 555,918.41, 767,168.06 and 301,269.59 is: 415,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,918.41 : 767,168.06 = 301,269.59 : x
  2. Step 2: Convert to fraction form
    555,918.41/767,168.06 = 301,269.59/x
  3. Step 3: Cross multiply
    555,918.41x = 767,168.06 × 301,269.59
  4. Step 4: Simplify right side
    555,918.41x = 231,124,407,308.87
  5. Step 5: Solve for x
    x = 231,124,407,308.87/555,918.41
  6. Step 6: Final answer
    x = 415,752.39

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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.