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Finding the Fourth Proportional to 491,725.41, 737,719.36 and 176,214.21

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Solution

The fourth proportional to 491,725.41, 737,719.36 and 176,214.21 is: 264,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,725.41 : 737,719.36 = 176,214.21 : x
  2. Step 2: Convert to fraction form
    491,725.41/737,719.36 = 176,214.21/x
  3. Step 3: Cross multiply
    491,725.41x = 737,719.36 × 176,214.21
  4. Step 4: Simplify right side
    491,725.41x = 129,996,634,224.11
  5. Step 5: Solve for x
    x = 129,996,634,224.11/491,725.41
  6. Step 6: Final answer
    x = 264,368.35

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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.