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Finding the Fourth Proportional to 357,614.04, 493,383.30 and 228,628.02

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Solution

The fourth proportional to 357,614.04, 493,383.30 and 228,628.02 is: 315,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,614.04 : 493,383.30 = 228,628.02 : x
  2. Step 2: Convert to fraction form
    357,614.04/493,383.30 = 228,628.02/x
  3. Step 3: Cross multiply
    357,614.04x = 493,383.30 × 228,628.02
  4. Step 4: Simplify right side
    357,614.04x = 112,801,246,980.07
  5. Step 5: Solve for x
    x = 112,801,246,980.07/357,614.04
  6. Step 6: Final answer
    x = 315,427.34

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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.