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Finding the Fourth Proportional to 249,691,569.60, 374,537,354.40 and 219,458,481.60

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Solution

The fourth proportional to 249,691,569.60, 374,537,354.40 and 219,458,481.60 is: 329,187,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,691,569.60 : 374,537,354.40 = 219,458,481.60 : x
  2. Step 2: Convert to fraction form
    249,691,569.60/374,537,354.40 = 219,458,481.60/x
  3. Step 3: Cross multiply
    249,691,569.60x = 374,537,354.40 × 219,458,481.60
  4. Step 4: Simplify right side
    249,691,569.60x = 82,195,399,099,105,072
  5. Step 5: Solve for x
    x = 82,195,399,099,105,072/249,691,569.60
  6. Step 6: Final answer
    x = 329,187,722.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.