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Finding the Fourth Proportional to 664,969.40, 997,890.58 and 244,248.76

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Solution

The fourth proportional to 664,969.40, 997,890.58 and 244,248.76 is: 366,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,969.40 : 997,890.58 = 244,248.76 : x
  2. Step 2: Convert to fraction form
    664,969.40/997,890.58 = 244,248.76/x
  3. Step 3: Cross multiply
    664,969.40x = 997,890.58 × 244,248.76
  4. Step 4: Simplify right side
    664,969.40x = 243,733,536,780.68
  5. Step 5: Solve for x
    x = 243,733,536,780.68/664,969.40
  6. Step 6: Final answer
    x = 366,533.46

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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.