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Finding the Fourth Proportional to 405,014.16, 607,674.33 and 168,337.02

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Solution

The fourth proportional to 405,014.16, 607,674.33 and 168,337.02 is: 252,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,014.16 : 607,674.33 = 168,337.02 : x
  2. Step 2: Convert to fraction form
    405,014.16/607,674.33 = 168,337.02/x
  3. Step 3: Cross multiply
    405,014.16x = 607,674.33 × 168,337.02
  4. Step 4: Simplify right side
    405,014.16x = 102,294,085,842.70
  5. Step 5: Solve for x
    x = 102,294,085,842.70/405,014.16
  6. Step 6: Final answer
    x = 252,569.16

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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.