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Finding the Fourth Proportional to 396,762.16, 595,077.60 and 130,526.08

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Solution

The fourth proportional to 396,762.16, 595,077.60 and 130,526.08 is: 195,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,762.16 : 595,077.60 = 130,526.08 : x
  2. Step 2: Convert to fraction form
    396,762.16/595,077.60 = 130,526.08/x
  3. Step 3: Cross multiply
    396,762.16x = 595,077.60 × 130,526.08
  4. Step 4: Simplify right side
    396,762.16x = 77,673,146,423.81
  5. Step 5: Solve for x
    x = 77,673,146,423.81/396,762.16
  6. Step 6: Final answer
    x = 195,767.53

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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.