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Finding the Fourth Proportional to 437,135.32, 603,230.52 and 243,538.48

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Solution

The fourth proportional to 437,135.32, 603,230.52 and 243,538.48 is: 336,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,135.32 : 603,230.52 = 243,538.48 : x
  2. Step 2: Convert to fraction form
    437,135.32/603,230.52 = 243,538.48/x
  3. Step 3: Cross multiply
    437,135.32x = 603,230.52 × 243,538.48
  4. Step 4: Simplify right side
    437,135.32x = 146,909,843,930.41
  5. Step 5: Solve for x
    x = 146,909,843,930.41/437,135.32
  6. Step 6: Final answer
    x = 336,074.06

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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.