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Finding the Fourth Proportional to 255,505.34, 352,743.52 and 169,580.85

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Solution

The fourth proportional to 255,505.34, 352,743.52 and 169,580.85 is: 234,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,505.34 : 352,743.52 = 169,580.85 : x
  2. Step 2: Convert to fraction form
    255,505.34/352,743.52 = 169,580.85/x
  3. Step 3: Cross multiply
    255,505.34x = 352,743.52 × 169,580.85
  4. Step 4: Simplify right side
    255,505.34x = 59,818,544,189.87
  5. Step 5: Solve for x
    x = 59,818,544,189.87/255,505.34
  6. Step 6: Final answer
    x = 234,118.57

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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.