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Finding the Fourth Proportional to 453,171.82, 625,364.61 and 249,222.73

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Solution

The fourth proportional to 453,171.82, 625,364.61 and 249,222.73 is: 343,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,171.82 : 625,364.61 = 249,222.73 : x
  2. Step 2: Convert to fraction form
    453,171.82/625,364.61 = 249,222.73/x
  3. Step 3: Cross multiply
    453,171.82x = 625,364.61 × 249,222.73
  4. Step 4: Simplify right side
    453,171.82x = 155,855,075,349.59
  5. Step 5: Solve for x
    x = 155,855,075,349.59/453,171.82
  6. Step 6: Final answer
    x = 343,920.49

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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.