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Finding the Fourth Proportional to 665,562.90, 996,940.35 and 441,030.90

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Solution

The fourth proportional to 665,562.90, 996,940.35 and 441,030.90 is: 660,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,562.90 : 996,940.35 = 441,030.90 : x
  2. Step 2: Convert to fraction form
    665,562.90/996,940.35 = 441,030.90/x
  3. Step 3: Cross multiply
    665,562.90x = 996,940.35 × 441,030.90
  4. Step 4: Simplify right side
    665,562.90x = 439,681,499,806.82
  5. Step 5: Solve for x
    x = 439,681,499,806.82/665,562.90
  6. Step 6: Final answer
    x = 660,616.00

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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.