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Finding the Fourth Proportional to 429,989.53, 593,392.65 and 236,405.42

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Solution

The fourth proportional to 429,989.53, 593,392.65 and 236,405.42 is: 326,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,989.53 : 593,392.65 = 236,405.42 : x
  2. Step 2: Convert to fraction form
    429,989.53/593,392.65 = 236,405.42/x
  3. Step 3: Cross multiply
    429,989.53x = 593,392.65 × 236,405.42
  4. Step 4: Simplify right side
    429,989.53x = 140,281,238,648.16
  5. Step 5: Solve for x
    x = 140,281,238,648.16/429,989.53
  6. Step 6: Final answer
    x = 326,243.39

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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.