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Finding the Fourth Proportional to 363,604.70, 545,212.65 and 153,004.70

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Solution

The fourth proportional to 363,604.70, 545,212.65 and 153,004.70 is: 229,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,604.70 : 545,212.65 = 153,004.70 : x
  2. Step 2: Convert to fraction form
    363,604.70/545,212.65 = 153,004.70/x
  3. Step 3: Cross multiply
    363,604.70x = 545,212.65 × 153,004.70
  4. Step 4: Simplify right side
    363,604.70x = 83,420,097,949.46
  5. Step 5: Solve for x
    x = 83,420,097,949.46/363,604.70
  6. Step 6: Final answer
    x = 229,425.25

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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.