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Finding the Fourth Proportional to 453,195.78, 625,396.94 and 249,246.50

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Solution

The fourth proportional to 453,195.78, 625,396.94 and 249,246.50 is: 343,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,195.78 : 625,396.94 = 249,246.50 : x
  2. Step 2: Convert to fraction form
    453,195.78/625,396.94 = 249,246.50/x
  3. Step 3: Cross multiply
    453,195.78x = 625,396.94 × 249,246.50
  4. Step 4: Simplify right side
    453,195.78x = 155,877,998,405.71
  5. Step 5: Solve for x
    x = 155,877,998,405.71/453,195.78
  6. Step 6: Final answer
    x = 343,952.89

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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.