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Finding the Fourth Proportional to 555,974.16, 767,245.56 and 301,325.28

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Solution

The fourth proportional to 555,974.16, 767,245.56 and 301,325.28 is: 415,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,974.16 : 767,245.56 = 301,325.28 : x
  2. Step 2: Convert to fraction form
    555,974.16/767,245.56 = 301,325.28/x
  3. Step 3: Cross multiply
    555,974.16x = 767,245.56 × 301,325.28
  4. Step 4: Simplify right side
    555,974.16x = 231,190,483,195.76
  5. Step 5: Solve for x
    x = 231,190,483,195.76/555,974.16
  6. Step 6: Final answer
    x = 415,829.55

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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.