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Finding the Fourth Proportional to 665,206.40, 997,590.90 and 244,427.60

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Solution

The fourth proportional to 665,206.40, 997,590.90 and 244,427.60 is: 366,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,206.40 : 997,590.90 = 244,427.60 : x
  2. Step 2: Convert to fraction form
    665,206.40/997,590.90 = 244,427.60/x
  3. Step 3: Cross multiply
    665,206.40x = 997,590.90 × 244,427.60
  4. Step 4: Simplify right side
    665,206.40x = 243,838,749,468.84
  5. Step 5: Solve for x
    x = 243,838,749,468.84/665,206.40
  6. Step 6: Final answer
    x = 366,561.04

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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.