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Finding the Fourth Proportional to 606,402.48, 908,731.76 and 417,076.62

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Solution

The fourth proportional to 606,402.48, 908,731.76 and 417,076.62 is: 625,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,402.48 : 908,731.76 = 417,076.62 : x
  2. Step 2: Convert to fraction form
    606,402.48/908,731.76 = 417,076.62/x
  3. Step 3: Cross multiply
    606,402.48x = 908,731.76 × 417,076.62
  4. Step 4: Simplify right side
    606,402.48x = 379,010,768,862.07
  5. Step 5: Solve for x
    x = 379,010,768,862.07/606,402.48
  6. Step 6: Final answer
    x = 625,015.20

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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.