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Finding the Fourth Proportional to 425,999.03, 587,878.62 and 235,012.42

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Solution

The fourth proportional to 425,999.03, 587,878.62 and 235,012.42 is: 324,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,999.03 : 587,878.62 = 235,012.42 : x
  2. Step 2: Convert to fraction form
    425,999.03/587,878.62 = 235,012.42/x
  3. Step 3: Cross multiply
    425,999.03x = 587,878.62 × 235,012.42
  4. Step 4: Simplify right side
    425,999.03x = 138,158,777,152.46
  5. Step 5: Solve for x
    x = 138,158,777,152.46/425,999.03
  6. Step 6: Final answer
    x = 324,317.12

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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.