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Finding the Fourth Proportional to 570,696.74, 854,686.28 and 330,304.43

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Solution

The fourth proportional to 570,696.74, 854,686.28 and 330,304.43 is: 494,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,696.74 : 854,686.28 = 330,304.43 : x
  2. Step 2: Convert to fraction form
    570,696.74/854,686.28 = 330,304.43/x
  3. Step 3: Cross multiply
    570,696.74x = 854,686.28 × 330,304.43
  4. Step 4: Simplify right side
    570,696.74x = 282,306,667,506.70
  5. Step 5: Solve for x
    x = 282,306,667,506.70/570,696.74
  6. Step 6: Final answer
    x = 494,670.20

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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.