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Finding the Fourth Proportional to 597,329.20, 897,030.60 and 317,393.20

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Solution

The fourth proportional to 597,329.20, 897,030.60 and 317,393.20 is: 476,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,329.20 : 897,030.60 = 317,393.20 : x
  2. Step 2: Convert to fraction form
    597,329.20/897,030.60 = 317,393.20/x
  3. Step 3: Cross multiply
    597,329.20x = 897,030.60 × 317,393.20
  4. Step 4: Simplify right side
    597,329.20x = 284,711,412,631.92
  5. Step 5: Solve for x
    x = 284,711,412,631.92/597,329.20
  6. Step 6: Final answer
    x = 476,640.71

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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.