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Finding the Fourth Proportional to 347,075.54, 520,019.16 and 189,414.74

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Solution

The fourth proportional to 347,075.54, 520,019.16 and 189,414.74 is: 283,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,075.54 : 520,019.16 = 189,414.74 : x
  2. Step 2: Convert to fraction form
    347,075.54/520,019.16 = 189,414.74/x
  3. Step 3: Cross multiply
    347,075.54x = 520,019.16 × 189,414.74
  4. Step 4: Simplify right side
    347,075.54x = 98,499,293,986.42
  5. Step 5: Solve for x
    x = 98,499,293,986.42/347,075.54
  6. Step 6: Final answer
    x = 283,797.86

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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.