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Finding the Fourth Proportional to 500,654.90, 751,475.74 and 356,720.60

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Solution

The fourth proportional to 500,654.90, 751,475.74 and 356,720.60 is: 535,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,654.90 : 751,475.74 = 356,720.60 : x
  2. Step 2: Convert to fraction form
    500,654.90/751,475.74 = 356,720.60/x
  3. Step 3: Cross multiply
    500,654.90x = 751,475.74 × 356,720.60
  4. Step 4: Simplify right side
    500,654.90x = 268,066,876,858.24
  5. Step 5: Solve for x
    x = 268,066,876,858.24/500,654.90
  6. Step 6: Final answer
    x = 535,432.44

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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.