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Finding the Fourth Proportional to 332,655.55, 459,069.08 and 189,416.16

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Solution

The fourth proportional to 332,655.55, 459,069.08 and 189,416.16 is: 261,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,655.55 : 459,069.08 = 189,416.16 : x
  2. Step 2: Convert to fraction form
    332,655.55/459,069.08 = 189,416.16/x
  3. Step 3: Cross multiply
    332,655.55x = 459,069.08 × 189,416.16
  4. Step 4: Simplify right side
    332,655.55x = 86,955,102,308.33
  5. Step 5: Solve for x
    x = 86,955,102,308.33/332,655.55
  6. Step 6: Final answer
    x = 261,396.82

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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.