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Finding the Fourth Proportional to 441,554.56, 658,938.56 and 394,312.96

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Solution

The fourth proportional to 441,554.56, 658,938.56 and 394,312.96 is: 588,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,554.56 : 658,938.56 = 394,312.96 : x
  2. Step 2: Convert to fraction form
    441,554.56/658,938.56 = 394,312.96/x
  3. Step 3: Cross multiply
    441,554.56x = 658,938.56 × 394,312.96
  4. Step 4: Simplify right side
    441,554.56x = 259,828,014,051.74
  5. Step 5: Solve for x
    x = 259,828,014,051.74/441,554.56
  6. Step 6: Final answer
    x = 588,439.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.