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Finding the Fourth Proportional to 436,493.36, 602,157.44 and 283,520.72

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Solution

The fourth proportional to 436,493.36, 602,157.44 and 283,520.72 is: 391,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,493.36 : 602,157.44 = 283,520.72 : x
  2. Step 2: Convert to fraction form
    436,493.36/602,157.44 = 283,520.72/x
  3. Step 3: Cross multiply
    436,493.36x = 602,157.44 × 283,520.72
  4. Step 4: Simplify right side
    436,493.36x = 170,724,110,942.16
  5. Step 5: Solve for x
    x = 170,724,110,942.16/436,493.36
  6. Step 6: Final answer
    x = 391,126.48

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1.5x scale

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.