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Finding the Fourth Proportional to 658,361.34, 908,542.44 and 356,555.34

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Solution

The fourth proportional to 658,361.34, 908,542.44 and 356,555.34 is: 492,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,361.34 : 908,542.44 = 356,555.34 : x
  2. Step 2: Convert to fraction form
    658,361.34/908,542.44 = 356,555.34/x
  3. Step 3: Cross multiply
    658,361.34x = 908,542.44 × 356,555.34
  4. Step 4: Simplify right side
    658,361.34x = 323,945,658,598.63
  5. Step 5: Solve for x
    x = 323,945,658,598.63/658,361.34
  6. Step 6: Final answer
    x = 492,048.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.