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Finding the Fourth Proportional to 285,368.32, 393,562.56 and 177,826.24

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Solution

The fourth proportional to 285,368.32, 393,562.56 and 177,826.24 is: 245,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,368.32 : 393,562.56 = 177,826.24 : x
  2. Step 2: Convert to fraction form
    285,368.32/393,562.56 = 177,826.24/x
  3. Step 3: Cross multiply
    285,368.32x = 393,562.56 × 177,826.24
  4. Step 4: Simplify right side
    285,368.32x = 69,985,750,249.57
  5. Step 5: Solve for x
    x = 69,985,750,249.57/285,368.32
  6. Step 6: Final answer
    x = 245,247.09

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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.