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Finding the Fourth Proportional to 436,009.33, 601,857.30 and 254,780.18

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Solution

The fourth proportional to 436,009.33, 601,857.30 and 254,780.18 is: 351,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,009.33 : 601,857.30 = 254,780.18 : x
  2. Step 2: Convert to fraction form
    436,009.33/601,857.30 = 254,780.18/x
  3. Step 3: Cross multiply
    436,009.33x = 601,857.30 × 254,780.18
  4. Step 4: Simplify right side
    436,009.33x = 153,341,311,228.31
  5. Step 5: Solve for x
    x = 153,341,311,228.31/436,009.33
  6. Step 6: Final answer
    x = 351,692.73

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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.