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Finding the Fourth Proportional to 453,818.46, 626,284.40 and 249,884.36

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Solution

The fourth proportional to 453,818.46, 626,284.40 and 249,884.36 is: 344,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,818.46 : 626,284.40 = 249,884.36 : x
  2. Step 2: Convert to fraction form
    453,818.46/626,284.40 = 249,884.36/x
  3. Step 3: Cross multiply
    453,818.46x = 626,284.40 × 249,884.36
  4. Step 4: Simplify right side
    453,818.46x = 156,498,676,471.98
  5. Step 5: Solve for x
    x = 156,498,676,471.98/453,818.46
  6. Step 6: Final answer
    x = 344,848.64

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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.