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Finding the Fourth Proportional to 453,641.09, 626,019.76 and 249,687.64

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Solution

The fourth proportional to 453,641.09, 626,019.76 and 249,687.64 is: 344,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,641.09 : 626,019.76 = 249,687.64 : x
  2. Step 2: Convert to fraction form
    453,641.09/626,019.76 = 249,687.64/x
  3. Step 3: Cross multiply
    453,641.09x = 626,019.76 × 249,687.64
  4. Step 4: Simplify right side
    453,641.09x = 156,309,396,467.77
  5. Step 5: Solve for x
    x = 156,309,396,467.77/453,641.09
  6. Step 6: Final answer
    x = 344,566.23

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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.