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Finding the Fourth Proportional to 456,119.02, 629,417.13 and 252,157.73

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Solution

The fourth proportional to 456,119.02, 629,417.13 and 252,157.73 is: 347,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,119.02 : 629,417.13 = 252,157.73 : x
  2. Step 2: Convert to fraction form
    456,119.02/629,417.13 = 252,157.73/x
  3. Step 3: Cross multiply
    456,119.02x = 629,417.13 × 252,157.73
  4. Step 4: Simplify right side
    456,119.02x = 158,712,391,576.83
  5. Step 5: Solve for x
    x = 158,712,391,576.83/456,119.02
  6. Step 6: Final answer
    x = 347,962.67

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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.