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Finding the Fourth Proportional to 444,507.21, 613,421.90 and 240,558.16

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Solution

The fourth proportional to 444,507.21, 613,421.90 and 240,558.16 is: 331,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,507.21 : 613,421.90 = 240,558.16 : x
  2. Step 2: Convert to fraction form
    444,507.21/613,421.90 = 240,558.16/x
  3. Step 3: Cross multiply
    444,507.21x = 613,421.90 × 240,558.16
  4. Step 4: Simplify right side
    444,507.21x = 147,563,639,899.20
  5. Step 5: Solve for x
    x = 147,563,639,899.20/444,507.21
  6. Step 6: Final answer
    x = 331,971.31

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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.