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Finding the Fourth Proportional to 453,660.90, 626,028.18 and 249,672.83

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Solution

The fourth proportional to 453,660.90, 626,028.18 and 249,672.83 is: 344,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,660.90 : 626,028.18 = 249,672.83 : x
  2. Step 2: Convert to fraction form
    453,660.90/626,028.18 = 249,672.83/x
  3. Step 3: Cross multiply
    453,660.90x = 626,028.18 × 249,672.83
  4. Step 4: Simplify right side
    453,660.90x = 156,302,227,984.53
  5. Step 5: Solve for x
    x = 156,302,227,984.53/453,660.90
  6. Step 6: Final answer
    x = 344,535.37

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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.