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Finding the Fourth Proportional to 364,043.70, 546,065.55 and 206,579.70

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Solution

The fourth proportional to 364,043.70, 546,065.55 and 206,579.70 is: 309,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,043.70 : 546,065.55 = 206,579.70 : x
  2. Step 2: Convert to fraction form
    364,043.70/546,065.55 = 206,579.70/x
  3. Step 3: Cross multiply
    364,043.70x = 546,065.55 × 206,579.70
  4. Step 4: Simplify right side
    364,043.70x = 112,806,057,499.34
  5. Step 5: Solve for x
    x = 112,806,057,499.34/364,043.70
  6. Step 6: Final answer
    x = 309,869.55

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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.