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Finding the Fourth Proportional to 538,304.80, 807,457.20 and 183,200.80

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Solution

The fourth proportional to 538,304.80, 807,457.20 and 183,200.80 is: 274,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,304.80 : 807,457.20 = 183,200.80 : x
  2. Step 2: Convert to fraction form
    538,304.80/807,457.20 = 183,200.80/x
  3. Step 3: Cross multiply
    538,304.80x = 807,457.20 × 183,200.80
  4. Step 4: Simplify right side
    538,304.80x = 147,926,805,005.76
  5. Step 5: Solve for x
    x = 147,926,805,005.76/538,304.80
  6. Step 6: Final answer
    x = 274,801.20

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Double scale
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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.