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Finding the Fourth Proportional to 436,950.06, 655,424.79 and 121,406.82

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Solution

The fourth proportional to 436,950.06, 655,424.79 and 121,406.82 is: 182,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,950.06 : 655,424.79 = 121,406.82 : x
  2. Step 2: Convert to fraction form
    436,950.06/655,424.79 = 121,406.82/x
  3. Step 3: Cross multiply
    436,950.06x = 655,424.79 × 121,406.82
  4. Step 4: Simplify right side
    436,950.06x = 79,573,039,503.07
  5. Step 5: Solve for x
    x = 79,573,039,503.07/436,950.06
  6. Step 6: Final answer
    x = 182,110.15

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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.