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Finding the Fourth Proportional to 476,877.84, 715,512.60 and 227,400.72

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Solution

The fourth proportional to 476,877.84, 715,512.60 and 227,400.72 is: 341,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,877.84 : 715,512.60 = 227,400.72 : x
  2. Step 2: Convert to fraction form
    476,877.84/715,512.60 = 227,400.72/x
  3. Step 3: Cross multiply
    476,877.84x = 715,512.60 × 227,400.72
  4. Step 4: Simplify right side
    476,877.84x = 162,708,080,409.07
  5. Step 5: Solve for x
    x = 162,708,080,409.07/476,877.84
  6. Step 6: Final answer
    x = 341,194.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.