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Finding the Fourth Proportional to 332,613.68, 459,007.30 and 189,373.68

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Solution

The fourth proportional to 332,613.68, 459,007.30 and 189,373.68 is: 261,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,613.68 : 459,007.30 = 189,373.68 : x
  2. Step 2: Convert to fraction form
    332,613.68/459,007.30 = 189,373.68/x
  3. Step 3: Cross multiply
    332,613.68x = 459,007.30 × 189,373.68
  4. Step 4: Simplify right side
    332,613.68x = 86,923,901,547.86
  5. Step 5: Solve for x
    x = 86,923,901,547.86/332,613.68
  6. Step 6: Final answer
    x = 261,335.92

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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.