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Finding the Fourth Proportional to 404,687.40, 607,530.30 and 254,927.40

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Solution

The fourth proportional to 404,687.40, 607,530.30 and 254,927.40 is: 382,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,687.40 : 607,530.30 = 254,927.40 : x
  2. Step 2: Convert to fraction form
    404,687.40/607,530.30 = 254,927.40/x
  3. Step 3: Cross multiply
    404,687.40x = 607,530.30 × 254,927.40
  4. Step 4: Simplify right side
    404,687.40x = 154,876,119,800.22
  5. Step 5: Solve for x
    x = 154,876,119,800.22/404,687.40
  6. Step 6: Final answer
    x = 382,705.56

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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.