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Finding the Fourth Proportional to 255,297.20, 382,768.47 and 113,064.98

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Solution

The fourth proportional to 255,297.20, 382,768.47 and 113,064.98 is: 169,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,297.20 : 382,768.47 = 113,064.98 : x
  2. Step 2: Convert to fraction form
    255,297.20/382,768.47 = 113,064.98/x
  3. Step 3: Cross multiply
    255,297.20x = 382,768.47 × 113,064.98
  4. Step 4: Simplify right side
    255,297.20x = 43,277,707,491.34
  5. Step 5: Solve for x
    x = 43,277,707,491.34/255,297.20
  6. Step 6: Final answer
    x = 169,518.93

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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.