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Finding the Fourth Proportional to 453,661.91, 626,029.56 and 249,673.83

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Solution

The fourth proportional to 453,661.91, 626,029.56 and 249,673.83 is: 344,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,661.91 : 626,029.56 = 249,673.83 : x
  2. Step 2: Convert to fraction form
    453,661.91/626,029.56 = 249,673.83/x
  3. Step 3: Cross multiply
    453,661.91x = 626,029.56 × 249,673.83
  4. Step 4: Simplify right side
    453,661.91x = 156,303,197,938.42
  5. Step 5: Solve for x
    x = 156,303,197,938.42/453,661.91
  6. Step 6: Final answer
    x = 344,536.75

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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.