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Finding the Fourth Proportional to 336,030.80, 504,046.20 and 319,701.20

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Solution

The fourth proportional to 336,030.80, 504,046.20 and 319,701.20 is: 479,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.80 : 504,046.20 = 319,701.20 : x
  2. Step 2: Convert to fraction form
    336,030.80/504,046.20 = 319,701.20/x
  3. Step 3: Cross multiply
    336,030.80x = 504,046.20 × 319,701.20
  4. Step 4: Simplify right side
    336,030.80x = 161,144,174,995.44
  5. Step 5: Solve for x
    x = 161,144,174,995.44/336,030.80
  6. Step 6: Final answer
    x = 479,551.80

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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.