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Finding the Fourth Proportional to 255,546.95, 352,655.30 and 153,573.98

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Solution

The fourth proportional to 255,546.95, 352,655.30 and 153,573.98 is: 211,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,546.95 : 352,655.30 = 153,573.98 : x
  2. Step 2: Convert to fraction form
    255,546.95/352,655.30 = 153,573.98/x
  3. Step 3: Cross multiply
    255,546.95x = 352,655.30 × 153,573.98
  4. Step 4: Simplify right side
    255,546.95x = 54,158,676,609.75
  5. Step 5: Solve for x
    x = 54,158,676,609.75/255,546.95
  6. Step 6: Final answer
    x = 211,932.39

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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.