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Finding the Fourth Proportional to 537,817.91, 806,763.83 and 177,988.10

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Solution

The fourth proportional to 537,817.91, 806,763.83 and 177,988.10 is: 266,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,817.91 : 806,763.83 = 177,988.10 : x
  2. Step 2: Convert to fraction form
    537,817.91/806,763.83 = 177,988.10/x
  3. Step 3: Cross multiply
    537,817.91x = 806,763.83 × 177,988.10
  4. Step 4: Simplify right side
    537,817.91x = 143,594,356,326.66
  5. Step 5: Solve for x
    x = 143,594,356,326.66/537,817.91
  6. Step 6: Final answer
    x = 266,994.38

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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.