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Finding the Fourth Proportional to 519,826.70, 778,901.70 and 294,517.10

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Solution

The fourth proportional to 519,826.70, 778,901.70 and 294,517.10 is: 441,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,826.70 : 778,901.70 = 294,517.10 : x
  2. Step 2: Convert to fraction form
    519,826.70/778,901.70 = 294,517.10/x
  3. Step 3: Cross multiply
    519,826.70x = 778,901.70 × 294,517.10
  4. Step 4: Simplify right side
    519,826.70x = 229,399,869,869.07
  5. Step 5: Solve for x
    x = 229,399,869,869.07/519,826.70
  6. Step 6: Final answer
    x = 441,300.67

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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.