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Finding the Fourth Proportional to 412,527, 618,790.99 and 113,010.15

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Solution

The fourth proportional to 412,527, 618,790.99 and 113,010.15 is: 169,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,527 : 618,790.99 = 113,010.15 : x
  2. Step 2: Convert to fraction form
    412,527/618,790.99 = 113,010.15/x
  3. Step 3: Cross multiply
    412,527x = 618,790.99 × 113,010.15
  4. Step 4: Simplify right side
    412,527x = 69,929,662,598.55
  5. Step 5: Solve for x
    x = 69,929,662,598.55/412,527
  6. Step 6: Final answer
    x = 169,515.36

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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.