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Finding the Fourth Proportional to 436,126.86, 601,766.84 and 254,803.77

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Solution

The fourth proportional to 436,126.86, 601,766.84 and 254,803.77 is: 351,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,126.86 : 601,766.84 = 254,803.77 : x
  2. Step 2: Convert to fraction form
    436,126.86/601,766.84 = 254,803.77/x
  3. Step 3: Cross multiply
    436,126.86x = 601,766.84 × 254,803.77
  4. Step 4: Simplify right side
    436,126.86x = 153,332,459,492.99
  5. Step 5: Solve for x
    x = 153,332,459,492.99/436,126.86
  6. Step 6: Final answer
    x = 351,577.66

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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.