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Finding the Fourth Proportional to 357,215.56, 492,955.74 and 196,073.35

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Solution

The fourth proportional to 357,215.56, 492,955.74 and 196,073.35 is: 270,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.56 : 492,955.74 = 196,073.35 : x
  2. Step 2: Convert to fraction form
    357,215.56/492,955.74 = 196,073.35/x
  3. Step 3: Cross multiply
    357,215.56x = 492,955.74 × 196,073.35
  4. Step 4: Simplify right side
    357,215.56x = 96,655,483,343.53
  5. Step 5: Solve for x
    x = 96,655,483,343.53/357,215.56
  6. Step 6: Final answer
    x = 270,580.27

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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.