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Finding the Fourth Proportional to 445,529.70, 614,774.34 and 254,555.46

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Solution

The fourth proportional to 445,529.70, 614,774.34 and 254,555.46 is: 351,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,529.70 : 614,774.34 = 254,555.46 : x
  2. Step 2: Convert to fraction form
    445,529.70/614,774.34 = 254,555.46/x
  3. Step 3: Cross multiply
    445,529.70x = 614,774.34 × 254,555.46
  4. Step 4: Simplify right side
    445,529.70x = 156,494,164,914.90
  5. Step 5: Solve for x
    x = 156,494,164,914.90/445,529.70
  6. Step 6: Final answer
    x = 351,254.17

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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.