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Finding the Fourth Proportional to 538,953.70, 808,430.55 and 183,979.30

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Solution

The fourth proportional to 538,953.70, 808,430.55 and 183,979.30 is: 275,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,953.70 : 808,430.55 = 183,979.30 : x
  2. Step 2: Convert to fraction form
    538,953.70/808,430.55 = 183,979.30/x
  3. Step 3: Cross multiply
    538,953.70x = 808,430.55 × 183,979.30
  4. Step 4: Simplify right side
    538,953.70x = 148,734,486,687.62
  5. Step 5: Solve for x
    x = 148,734,486,687.62/538,953.70
  6. Step 6: Final answer
    x = 275,968.95

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Similar ratio
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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.