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Finding the Fourth Proportional to 538,530.90, 807,796.35 and 183,945.30

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Solution

The fourth proportional to 538,530.90, 807,796.35 and 183,945.30 is: 275,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,530.90 : 807,796.35 = 183,945.30 : x
  2. Step 2: Convert to fraction form
    538,530.90/807,796.35 = 183,945.30/x
  3. Step 3: Cross multiply
    538,530.90x = 807,796.35 × 183,945.30
  4. Step 4: Simplify right side
    538,530.90x = 148,590,341,939.66
  5. Step 5: Solve for x
    x = 148,590,341,939.66/538,530.90
  6. Step 6: Final answer
    x = 275,917.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.