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Finding the Fourth Proportional to 346,191.16, 477,724.38 and 193,239.22

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Solution

The fourth proportional to 346,191.16, 477,724.38 and 193,239.22 is: 266,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,191.16 : 477,724.38 = 193,239.22 : x
  2. Step 2: Convert to fraction form
    346,191.16/477,724.38 = 193,239.22/x
  3. Step 3: Cross multiply
    346,191.16x = 477,724.38 × 193,239.22
  4. Step 4: Simplify right side
    346,191.16x = 92,315,086,566.18
  5. Step 5: Solve for x
    x = 92,315,086,566.18/346,191.16
  6. Step 6: Final answer
    x = 266,659.28

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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.