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Finding the Fourth Proportional to 350,506, 483,698.28 and 191,530

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Solution

The fourth proportional to 350,506, 483,698.28 and 191,530 is: 264,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,506 : 483,698.28 = 191,530 : x
  2. Step 2: Convert to fraction form
    350,506/483,698.28 = 191,530/x
  3. Step 3: Cross multiply
    350,506x = 483,698.28 × 191,530
  4. Step 4: Simplify right side
    350,506x = 92,642,731,568.40
  5. Step 5: Solve for x
    x = 92,642,731,568.40/350,506
  6. Step 6: Final answer
    x = 264,311.40

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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.