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Finding the Fourth Proportional to 445,740.74, 614,972.60 and 254,618.80

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Solution

The fourth proportional to 445,740.74, 614,972.60 and 254,618.80 is: 351,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,740.74 : 614,972.60 = 254,618.80 : x
  2. Step 2: Convert to fraction form
    445,740.74/614,972.60 = 254,618.80/x
  3. Step 3: Cross multiply
    445,740.74x = 614,972.60 × 254,618.80
  4. Step 4: Simplify right side
    445,740.74x = 156,583,585,444.88
  5. Step 5: Solve for x
    x = 156,583,585,444.88/445,740.74
  6. Step 6: Final answer
    x = 351,288.48

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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.