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Finding the Fourth Proportional to 332,655.30, 459,064.81 and 189,415.46

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Solution

The fourth proportional to 332,655.30, 459,064.81 and 189,415.46 is: 261,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,655.30 : 459,064.81 = 189,415.46 : x
  2. Step 2: Convert to fraction form
    332,655.30/459,064.81 = 189,415.46/x
  3. Step 3: Cross multiply
    332,655.30x = 459,064.81 × 189,415.46
  4. Step 4: Simplify right side
    332,655.30x = 86,953,972,155.96
  5. Step 5: Solve for x
    x = 86,953,972,155.96/332,655.30
  6. Step 6: Final answer
    x = 261,393.62

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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.