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Finding the Fourth Proportional to 654,347.40, 902,993.98 and 367,868.76

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Solution

The fourth proportional to 654,347.40, 902,993.98 and 367,868.76 is: 507,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,347.40 : 902,993.98 = 367,868.76 : x
  2. Step 2: Convert to fraction form
    654,347.40/902,993.98 = 367,868.76/x
  3. Step 3: Cross multiply
    654,347.40x = 902,993.98 × 367,868.76
  4. Step 4: Simplify right side
    654,347.40x = 332,183,275,710.07
  5. Step 5: Solve for x
    x = 332,183,275,710.07/654,347.40
  6. Step 6: Final answer
    x = 507,655.83

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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.