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Finding the Fourth Proportional to 357,559.16, 493,434.42 and 196,415.96

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Solution

The fourth proportional to 357,559.16, 493,434.42 and 196,415.96 is: 271,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,559.16 : 493,434.42 = 196,415.96 : x
  2. Step 2: Convert to fraction form
    357,559.16/493,434.42 = 196,415.96/x
  3. Step 3: Cross multiply
    357,559.16x = 493,434.42 × 196,415.96
  4. Step 4: Simplify right side
    357,559.16x = 96,918,395,301.34
  5. Step 5: Solve for x
    x = 96,918,395,301.34/357,559.16
  6. Step 6: Final answer
    x = 271,055.55

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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.