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Finding the Fourth Proportional to 453,881.52, 626,351.22 and 249,928.20

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Solution

The fourth proportional to 453,881.52, 626,351.22 and 249,928.20 is: 344,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,881.52 : 626,351.22 = 249,928.20 : x
  2. Step 2: Convert to fraction form
    453,881.52/626,351.22 = 249,928.20/x
  3. Step 3: Cross multiply
    453,881.52x = 626,351.22 × 249,928.20
  4. Step 4: Simplify right side
    453,881.52x = 156,542,832,982.40
  5. Step 5: Solve for x
    x = 156,542,832,982.40/453,881.52
  6. Step 6: Final answer
    x = 344,898.01

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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.