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Finding the Fourth Proportional to 405,717.93, 559,957.46 and 236,050.47

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Solution

The fourth proportional to 405,717.93, 559,957.46 and 236,050.47 is: 325,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,717.93 : 559,957.46 = 236,050.47 : x
  2. Step 2: Convert to fraction form
    405,717.93/559,957.46 = 236,050.47/x
  3. Step 3: Cross multiply
    405,717.93x = 559,957.46 × 236,050.47
  4. Step 4: Simplify right side
    405,717.93x = 132,178,220,432.75
  5. Step 5: Solve for x
    x = 132,178,220,432.75/405,717.93
  6. Step 6: Final answer
    x = 325,788.46

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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.