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Finding the Fourth Proportional to 538,950.20, 808,425.30 and 183,975.80

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Solution

The fourth proportional to 538,950.20, 808,425.30 and 183,975.80 is: 275,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,950.20 : 808,425.30 = 183,975.80 : x
  2. Step 2: Convert to fraction form
    538,950.20/808,425.30 = 183,975.80/x
  3. Step 3: Cross multiply
    538,950.20x = 808,425.30 × 183,975.80
  4. Step 4: Simplify right side
    538,950.20x = 148,730,691,307.74
  5. Step 5: Solve for x
    x = 148,730,691,307.74/538,950.20
  6. Step 6: Final answer
    x = 275,963.70

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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.