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Finding the Fourth Proportional to 453,665.40, 626,060.51 and 249,736.83

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Solution

The fourth proportional to 453,665.40, 626,060.51 and 249,736.83 is: 344,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,665.40 : 626,060.51 = 249,736.83 : x
  2. Step 2: Convert to fraction form
    453,665.40/626,060.51 = 249,736.83/x
  3. Step 3: Cross multiply
    453,665.40x = 626,060.51 × 249,736.83
  4. Step 4: Simplify right side
    453,665.40x = 156,350,367,155.58
  5. Step 5: Solve for x
    x = 156,350,367,155.58/453,665.40
  6. Step 6: Final answer
    x = 344,638.07

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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.