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Finding the Fourth Proportional to 255,544.50, 352,636.74 and 146,625.78

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Solution

The fourth proportional to 255,544.50, 352,636.74 and 146,625.78 is: 202,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,544.50 : 352,636.74 = 146,625.78 : x
  2. Step 2: Convert to fraction form
    255,544.50/352,636.74 = 146,625.78/x
  3. Step 3: Cross multiply
    255,544.50x = 352,636.74 × 146,625.78
  4. Step 4: Simplify right side
    255,544.50x = 51,705,637,059.16
  5. Step 5: Solve for x
    x = 51,705,637,059.16/255,544.50
  6. Step 6: Final answer
    x = 202,335.16

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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.