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Finding the Fourth Proportional to 436,717.64, 654,026.70 and 249,160.52

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Solution

The fourth proportional to 436,717.64, 654,026.70 and 249,160.52 is: 373,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,717.64 : 654,026.70 = 249,160.52 : x
  2. Step 2: Convert to fraction form
    436,717.64/654,026.70 = 249,160.52/x
  3. Step 3: Cross multiply
    436,717.64x = 654,026.70 × 249,160.52
  4. Step 4: Simplify right side
    436,717.64x = 162,957,632,665.88
  5. Step 5: Solve for x
    x = 162,957,632,665.88/436,717.64
  6. Step 6: Final answer
    x = 373,141.86

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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.