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Finding the Fourth Proportional to 397,404.60, 596,106.90 and 160,625.40

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Solution

The fourth proportional to 397,404.60, 596,106.90 and 160,625.40 is: 240,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,404.60 : 596,106.90 = 160,625.40 : x
  2. Step 2: Convert to fraction form
    397,404.60/596,106.90 = 160,625.40/x
  3. Step 3: Cross multiply
    397,404.60x = 596,106.90 × 160,625.40
  4. Step 4: Simplify right side
    397,404.60x = 95,749,909,255.26
  5. Step 5: Solve for x
    x = 95,749,909,255.26/397,404.60
  6. Step 6: Final answer
    x = 240,938.10

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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.