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Finding the Fourth Proportional to 583,260.56, 875,271 and 440,804.24

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Solution

The fourth proportional to 583,260.56, 875,271 and 440,804.24 is: 661,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,260.56 : 875,271 = 440,804.24 : x
  2. Step 2: Convert to fraction form
    583,260.56/875,271 = 440,804.24/x
  3. Step 3: Cross multiply
    583,260.56x = 875,271 × 440,804.24
  4. Step 4: Simplify right side
    583,260.56x = 385,823,167,949.04
  5. Step 5: Solve for x
    x = 385,823,167,949.04/583,260.56
  6. Step 6: Final answer
    x = 661,493.67

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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.