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Finding the Fourth Proportional to 445,561.76, 614,907.76 and 254,571.06

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Solution

The fourth proportional to 445,561.76, 614,907.76 and 254,571.06 is: 351,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,561.76 : 614,907.76 = 254,571.06 : x
  2. Step 2: Convert to fraction form
    445,561.76/614,907.76 = 254,571.06/x
  3. Step 3: Cross multiply
    445,561.76x = 614,907.76 × 254,571.06
  4. Step 4: Simplify right side
    445,561.76x = 156,537,720,265.43
  5. Step 5: Solve for x
    x = 156,537,720,265.43/445,561.76
  6. Step 6: Final answer
    x = 351,326.65

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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.