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Finding the Fourth Proportional to 332,018.60, 458,139.44 and 188,762.81

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Solution

The fourth proportional to 332,018.60, 458,139.44 and 188,762.81 is: 260,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,018.60 : 458,139.44 = 188,762.81 : x
  2. Step 2: Convert to fraction form
    332,018.60/458,139.44 = 188,762.81/x
  3. Step 3: Cross multiply
    332,018.60x = 458,139.44 × 188,762.81
  4. Step 4: Simplify right side
    332,018.60x = 86,479,686,247.44
  5. Step 5: Solve for x
    x = 86,479,686,247.44/332,018.60
  6. Step 6: Final answer
    x = 260,466.39

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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.