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Finding the Fourth Proportional to 430,010.28, 593,416.44 and 239,041.44

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Solution

The fourth proportional to 430,010.28, 593,416.44 and 239,041.44 is: 329,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,010.28 : 593,416.44 = 239,041.44 : x
  2. Step 2: Convert to fraction form
    430,010.28/593,416.44 = 239,041.44/x
  3. Step 3: Cross multiply
    430,010.28x = 593,416.44 × 239,041.44
  4. Step 4: Simplify right side
    430,010.28x = 141,851,120,337.27
  5. Step 5: Solve for x
    x = 141,851,120,337.27/430,010.28
  6. Step 6: Final answer
    x = 329,878.44

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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.