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Finding the Fourth Proportional to 654,017.28, 902,624 and 367,549.44

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Solution

The fourth proportional to 654,017.28, 902,624 and 367,549.44 is: 507,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,017.28 : 902,624 = 367,549.44 : x
  2. Step 2: Convert to fraction form
    654,017.28/902,624 = 367,549.44/x
  3. Step 3: Cross multiply
    654,017.28x = 902,624 × 367,549.44
  4. Step 4: Simplify right side
    654,017.28x = 331,758,945,730.56
  5. Step 5: Solve for x
    x = 331,758,945,730.56/654,017.28
  6. Step 6: Final answer
    x = 507,263.27

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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.