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Finding the Fourth Proportional to 445,260.88, 614,523 and 275,549.68

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Solution

The fourth proportional to 445,260.88, 614,523 and 275,549.68 is: 380,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,260.88 : 614,523 = 275,549.68 : x
  2. Step 2: Convert to fraction form
    445,260.88/614,523 = 275,549.68/x
  3. Step 3: Cross multiply
    445,260.88x = 614,523 × 275,549.68
  4. Step 4: Simplify right side
    445,260.88x = 169,331,616,002.64
  5. Step 5: Solve for x
    x = 169,331,616,002.64/445,260.88
  6. Step 6: Final answer
    x = 380,297.54

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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.