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Finding the Fourth Proportional to 658,051.37, 987,470.31 and 604,513.61

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Solution

The fourth proportional to 658,051.37, 987,470.31 and 604,513.61 is: 907,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,051.37 : 987,470.31 = 604,513.61 : x
  2. Step 2: Convert to fraction form
    658,051.37/987,470.31 = 604,513.61/x
  3. Step 3: Cross multiply
    658,051.37x = 987,470.31 × 604,513.61
  4. Step 4: Simplify right side
    658,051.37x = 596,939,241,865.92
  5. Step 5: Solve for x
    x = 596,939,241,865.92/658,051.37
  6. Step 6: Final answer
    x = 907,131.68

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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.