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Finding the Fourth Proportional to 377,686.40, 567,185.70 and 200,539.40

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Solution

The fourth proportional to 377,686.40, 567,185.70 and 200,539.40 is: 301,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,686.40 : 567,185.70 = 200,539.40 : x
  2. Step 2: Convert to fraction form
    377,686.40/567,185.70 = 200,539.40/x
  3. Step 3: Cross multiply
    377,686.40x = 567,185.70 × 200,539.40
  4. Step 4: Simplify right side
    377,686.40x = 113,743,079,966.58
  5. Step 5: Solve for x
    x = 113,743,079,966.58/377,686.40
  6. Step 6: Final answer
    x = 301,157.47

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1.5x scale

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.