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Finding the Fourth Proportional to 571,464.72, 856,798.56 and 251,462.88

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Solution

The fourth proportional to 571,464.72, 856,798.56 and 251,462.88 is: 377,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,464.72 : 856,798.56 = 251,462.88 : x
  2. Step 2: Convert to fraction form
    571,464.72/856,798.56 = 251,462.88/x
  3. Step 3: Cross multiply
    571,464.72x = 856,798.56 × 251,462.88
  4. Step 4: Simplify right side
    571,464.72x = 215,453,033,477.45
  5. Step 5: Solve for x
    x = 215,453,033,477.45/571,464.72
  6. Step 6: Final answer
    x = 377,018.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.