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Finding the Fourth Proportional to 357,154.56, 492,871.86 and 196,012.26

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Solution

The fourth proportional to 357,154.56, 492,871.86 and 196,012.26 is: 270,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,154.56 : 492,871.86 = 196,012.26 : x
  2. Step 2: Convert to fraction form
    357,154.56/492,871.86 = 196,012.26/x
  3. Step 3: Cross multiply
    357,154.56x = 492,871.86 × 196,012.26
  4. Step 4: Simplify right side
    357,154.56x = 96,608,927,169.00
  5. Step 5: Solve for x
    x = 96,608,927,169.00/357,154.56
  6. Step 6: Final answer
    x = 270,496.13

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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.