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Finding the Fourth Proportional to 590,330.70, 884,475.45 and 274,139.10

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Solution

The fourth proportional to 590,330.70, 884,475.45 and 274,139.10 is: 410,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,330.70 : 884,475.45 = 274,139.10 : x
  2. Step 2: Convert to fraction form
    590,330.70/884,475.45 = 274,139.10/x
  3. Step 3: Cross multiply
    590,330.70x = 884,475.45 × 274,139.10
  4. Step 4: Simplify right side
    590,330.70x = 242,469,303,835.10
  5. Step 5: Solve for x
    x = 242,469,303,835.10/590,330.70
  6. Step 6: Final answer
    x = 410,734.70

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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.