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Finding the Fourth Proportional to 457,477.56, 631,333.08 and 253,509.54

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Solution

The fourth proportional to 457,477.56, 631,333.08 and 253,509.54 is: 349,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,477.56 : 631,333.08 = 253,509.54 : x
  2. Step 2: Convert to fraction form
    457,477.56/631,333.08 = 253,509.54/x
  3. Step 3: Cross multiply
    457,477.56x = 631,333.08 × 253,509.54
  4. Step 4: Simplify right side
    457,477.56x = 160,048,958,697.58
  5. Step 5: Solve for x
    x = 160,048,958,697.58/457,477.56
  6. Step 6: Final answer
    x = 349,850.95

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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.