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Finding the Fourth Proportional to 395,374.40, 593,522.40 and 237,780.80

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Solution

The fourth proportional to 395,374.40, 593,522.40 and 237,780.80 is: 356,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,374.40 : 593,522.40 = 237,780.80 : x
  2. Step 2: Convert to fraction form
    395,374.40/593,522.40 = 237,780.80/x
  3. Step 3: Cross multiply
    395,374.40x = 593,522.40 × 237,780.80
  4. Step 4: Simplify right side
    395,374.40x = 141,128,231,089.92
  5. Step 5: Solve for x
    x = 141,128,231,089.92/395,374.40
  6. Step 6: Final answer
    x = 356,948.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.