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Finding the Fourth Proportional to 396,341.83, 594,574.74 and 130,041.79

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Solution

The fourth proportional to 396,341.83, 594,574.74 and 130,041.79 is: 195,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,341.83 : 594,574.74 = 130,041.79 : x
  2. Step 2: Convert to fraction form
    396,341.83/594,574.74 = 130,041.79/x
  3. Step 3: Cross multiply
    396,341.83x = 594,574.74 × 130,041.79
  4. Step 4: Simplify right side
    396,341.83x = 77,319,563,478.38
  5. Step 5: Solve for x
    x = 77,319,563,478.38/396,341.83
  6. Step 6: Final answer
    x = 195,083.03

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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.