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Finding the Fourth Proportional to 255,553.48, 352,649.60 and 153,560.00

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Solution

The fourth proportional to 255,553.48, 352,649.60 and 153,560.00 is: 211,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,553.48 : 352,649.60 = 153,560.00 : x
  2. Step 2: Convert to fraction form
    255,553.48/352,649.60 = 153,560.00/x
  3. Step 3: Cross multiply
    255,553.48x = 352,649.60 × 153,560.00
  4. Step 4: Simplify right side
    255,553.48x = 54,152,873,265.67
  5. Step 5: Solve for x
    x = 54,152,873,265.67/255,553.48
  6. Step 6: Final answer
    x = 211,904.27

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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.