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Finding the Fourth Proportional to 436,140.33, 601,785.41 and 254,817.20

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Solution

The fourth proportional to 436,140.33, 601,785.41 and 254,817.20 is: 351,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,140.33 : 601,785.41 = 254,817.20 : x
  2. Step 2: Convert to fraction form
    436,140.33/601,785.41 = 254,817.20/x
  3. Step 3: Cross multiply
    436,140.33x = 601,785.41 × 254,817.20
  4. Step 4: Simplify right side
    436,140.33x = 153,345,268,894.04
  5. Step 5: Solve for x
    x = 153,345,268,894.04/436,140.33
  6. Step 6: Final answer
    x = 351,596.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.