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Finding the Fourth Proportional to 1,672,955.04, 2,308,692 and 909,008.58

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Solution

The fourth proportional to 1,672,955.04, 2,308,692 and 909,008.58 is: 1,254,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,955.04 : 2,308,692 = 909,008.58 : x
  2. Step 2: Convert to fraction form
    1,672,955.04/2,308,692 = 909,008.58/x
  3. Step 3: Cross multiply
    1,672,955.04x = 2,308,692 × 909,008.58
  4. Step 4: Simplify right side
    1,672,955.04x = 2,098,620,836,577.36
  5. Step 5: Solve for x
    x = 2,098,620,836,577.36/1,672,955.04
  6. Step 6: Final answer
    x = 1,254,439.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.