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Finding the Fourth Proportional to 665,572.40, 996,954.60 and 441,040.40

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Solution

The fourth proportional to 665,572.40, 996,954.60 and 441,040.40 is: 660,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,572.40 : 996,954.60 = 441,040.40 : x
  2. Step 2: Convert to fraction form
    665,572.40/996,954.60 = 441,040.40/x
  3. Step 3: Cross multiply
    665,572.40x = 996,954.60 × 441,040.40
  4. Step 4: Simplify right side
    665,572.40x = 439,697,255,565.84
  5. Step 5: Solve for x
    x = 439,697,255,565.84/665,572.40
  6. Step 6: Final answer
    x = 660,630.24

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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.