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Finding the Fourth Proportional to 893,175.60, 1,339,374.60 and 293,905.20

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Solution

The fourth proportional to 893,175.60, 1,339,374.60 and 293,905.20 is: 440,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,175.60 : 1,339,374.60 = 293,905.20 : x
  2. Step 2: Convert to fraction form
    893,175.60/1,339,374.60 = 293,905.20/x
  3. Step 3: Cross multiply
    893,175.60x = 1,339,374.60 × 293,905.20
  4. Step 4: Simplify right side
    893,175.60x = 393,649,159,687.92
  5. Step 5: Solve for x
    x = 393,649,159,687.92/893,175.60
  6. Step 6: Final answer
    x = 440,729.86

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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.