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Finding the Fourth Proportional to 303,379.36, 452,762.16 and 269,750.40

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Solution

The fourth proportional to 303,379.36, 452,762.16 and 269,750.40 is: 402,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,379.36 : 452,762.16 = 269,750.40 : x
  2. Step 2: Convert to fraction form
    303,379.36/452,762.16 = 269,750.40/x
  3. Step 3: Cross multiply
    303,379.36x = 452,762.16 × 269,750.40
  4. Step 4: Simplify right side
    303,379.36x = 122,132,773,764.86
  5. Step 5: Solve for x
    x = 122,132,773,764.86/303,379.36
  6. Step 6: Final answer
    x = 402,574.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.