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Finding the Fourth Proportional to 560,384.53, 840,486.56 and 160,934.45

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Solution

The fourth proportional to 560,384.53, 840,486.56 and 160,934.45 is: 241,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,384.53 : 840,486.56 = 160,934.45 : x
  2. Step 2: Convert to fraction form
    560,384.53/840,486.56 = 160,934.45/x
  3. Step 3: Cross multiply
    560,384.53x = 840,486.56 × 160,934.45
  4. Step 4: Simplify right side
    560,384.53x = 135,263,238,465.90
  5. Step 5: Solve for x
    x = 135,263,238,465.90/560,384.53
  6. Step 6: Final answer
    x = 241,375.76

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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.