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Finding the Fourth Proportional to 450,472.10, 675,684.45 and 113,512.50

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Solution

The fourth proportional to 450,472.10, 675,684.45 and 113,512.50 is: 170,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,472.10 : 675,684.45 = 113,512.50 : x
  2. Step 2: Convert to fraction form
    450,472.10/675,684.45 = 113,512.50/x
  3. Step 3: Cross multiply
    450,472.10x = 675,684.45 × 113,512.50
  4. Step 4: Simplify right side
    450,472.10x = 76,698,631,130.63
  5. Step 5: Solve for x
    x = 76,698,631,130.63/450,472.10
  6. Step 6: Final answer
    x = 170,262.78

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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.