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Finding the Fourth Proportional to 340,207.84, 468,892.92 and 249,371.20

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Solution

The fourth proportional to 340,207.84, 468,892.92 and 249,371.20 is: 343,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,207.84 : 468,892.92 = 249,371.20 : x
  2. Step 2: Convert to fraction form
    340,207.84/468,892.92 = 249,371.20/x
  3. Step 3: Cross multiply
    340,207.84x = 468,892.92 × 249,371.20
  4. Step 4: Simplify right side
    340,207.84x = 116,928,390,131.90
  5. Step 5: Solve for x
    x = 116,928,390,131.90/340,207.84
  6. Step 6: Final answer
    x = 343,696.93

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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.