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Finding the Fourth Proportional to 437,254.20, 603,453.72 and 255,955.20

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Solution

The fourth proportional to 437,254.20, 603,453.72 and 255,955.20 is: 353,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,254.20 : 603,453.72 = 255,955.20 : x
  2. Step 2: Convert to fraction form
    437,254.20/603,453.72 = 255,955.20/x
  3. Step 3: Cross multiply
    437,254.20x = 603,453.72 × 255,955.20
  4. Step 4: Simplify right side
    437,254.20x = 154,457,117,593.34
  5. Step 5: Solve for x
    x = 154,457,117,593.34/437,254.20
  6. Step 6: Final answer
    x = 353,243.30

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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.