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Finding the Fourth Proportional to 583,051.20, 874,965.60 and 267,345.60

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Solution

The fourth proportional to 583,051.20, 874,965.60 and 267,345.60 is: 401,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,051.20 : 874,965.60 = 267,345.60 : x
  2. Step 2: Convert to fraction form
    583,051.20/874,965.60 = 267,345.60/x
  3. Step 3: Cross multiply
    583,051.20x = 874,965.60 × 267,345.60
  4. Step 4: Simplify right side
    583,051.20x = 233,918,203,311.36
  5. Step 5: Solve for x
    x = 233,918,203,311.36/583,051.20
  6. Step 6: Final answer
    x = 401,196.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.