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Finding the Fourth Proportional to 332,661.48, 459,276.27 and 216,485.64

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Solution

The fourth proportional to 332,661.48, 459,276.27 and 216,485.64 is: 298,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,661.48 : 459,276.27 = 216,485.64 : x
  2. Step 2: Convert to fraction form
    332,661.48/459,276.27 = 216,485.64/x
  3. Step 3: Cross multiply
    332,661.48x = 459,276.27 × 216,485.64
  4. Step 4: Simplify right side
    332,661.48x = 99,426,717,247.76
  5. Step 5: Solve for x
    x = 99,426,717,247.76/332,661.48
  6. Step 6: Final answer
    x = 298,882.57

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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.