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Finding the Fourth Proportional to 450,189.80, 675,284.70 and 183,775.40

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Solution

The fourth proportional to 450,189.80, 675,284.70 and 183,775.40 is: 275,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,189.80 : 675,284.70 = 183,775.40 : x
  2. Step 2: Convert to fraction form
    450,189.80/675,284.70 = 183,775.40/x
  3. Step 3: Cross multiply
    450,189.80x = 675,284.70 × 183,775.40
  4. Step 4: Simplify right side
    450,189.80x = 124,100,715,856.38
  5. Step 5: Solve for x
    x = 124,100,715,856.38/450,189.80
  6. Step 6: Final answer
    x = 275,663.10

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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.