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Finding the Fourth Proportional to 370,027.28, 510,579.24 and 217,054.64

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Solution

The fourth proportional to 370,027.28, 510,579.24 and 217,054.64 is: 299,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,027.28 : 510,579.24 = 217,054.64 : x
  2. Step 2: Convert to fraction form
    370,027.28/510,579.24 = 217,054.64/x
  3. Step 3: Cross multiply
    370,027.28x = 510,579.24 × 217,054.64
  4. Step 4: Simplify right side
    370,027.28x = 110,823,593,129.67
  5. Step 5: Solve for x
    x = 110,823,593,129.67/370,027.28
  6. Step 6: Final answer
    x = 299,501.14

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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.