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Finding the Fourth Proportional to 453,855.06, 626,314.80 and 249,901.80

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Solution

The fourth proportional to 453,855.06, 626,314.80 and 249,901.80 is: 344,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,855.06 : 626,314.80 = 249,901.80 : x
  2. Step 2: Convert to fraction form
    453,855.06/626,314.80 = 249,901.80/x
  3. Step 3: Cross multiply
    453,855.06x = 626,314.80 × 249,901.80
  4. Step 4: Simplify right side
    453,855.06x = 156,517,195,886.64
  5. Step 5: Solve for x
    x = 156,517,195,886.64/453,855.06
  6. Step 6: Final answer
    x = 344,861.63

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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.