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Finding the Fourth Proportional to 397,999.60, 596,124.60 and 161,220.40

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Solution

The fourth proportional to 397,999.60, 596,124.60 and 161,220.40 is: 241,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,999.60 : 596,124.60 = 161,220.40 : x
  2. Step 2: Convert to fraction form
    397,999.60/596,124.60 = 161,220.40/x
  3. Step 3: Cross multiply
    397,999.60x = 596,124.60 × 161,220.40
  4. Step 4: Simplify right side
    397,999.60x = 96,107,446,461.84
  5. Step 5: Solve for x
    x = 96,107,446,461.84/397,999.60
  6. Step 6: Final answer
    x = 241,476.24

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1.5x scale

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.