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Finding the Fourth Proportional to 538,526.80, 807,790.20 and 183,509.20

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Solution

The fourth proportional to 538,526.80, 807,790.20 and 183,509.20 is: 275,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,526.80 : 807,790.20 = 183,509.20 : x
  2. Step 2: Convert to fraction form
    538,526.80/807,790.20 = 183,509.20/x
  3. Step 3: Cross multiply
    538,526.80x = 807,790.20 × 183,509.20
  4. Step 4: Simplify right side
    538,526.80x = 148,236,933,369.84
  5. Step 5: Solve for x
    x = 148,236,933,369.84/538,526.80
  6. Step 6: Final answer
    x = 275,263.80

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Similar ratio
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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.