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Finding the Fourth Proportional to 445,289.00, 666,900.14 and 441,970.22

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Solution

The fourth proportional to 445,289.00, 666,900.14 and 441,970.22 is: 661,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,289.00 : 666,900.14 = 441,970.22 : x
  2. Step 2: Convert to fraction form
    445,289.00/666,900.14 = 441,970.22/x
  3. Step 3: Cross multiply
    445,289.00x = 666,900.14 × 441,970.22
  4. Step 4: Simplify right side
    445,289.00x = 294,750,001,051.23
  5. Step 5: Solve for x
    x = 294,750,001,051.23/445,289.00
  6. Step 6: Final answer
    x = 661,929.68

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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.