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Finding the Fourth Proportional to 555,923.42, 767,174.98 and 301,274.60

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Solution

The fourth proportional to 555,923.42, 767,174.98 and 301,274.60 is: 415,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,923.42 : 767,174.98 = 301,274.60 : x
  2. Step 2: Convert to fraction form
    555,923.42/767,174.98 = 301,274.60/x
  3. Step 3: Cross multiply
    555,923.42x = 767,174.98 × 301,274.60
  4. Step 4: Simplify right side
    555,923.42x = 231,130,335,229.51
  5. Step 5: Solve for x
    x = 231,130,335,229.51/555,923.42
  6. Step 6: Final answer
    x = 415,759.31

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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.