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Finding the Fourth Proportional to 346,236.70, 477,830.67 and 193,304.96

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Solution

The fourth proportional to 346,236.70, 477,830.67 and 193,304.96 is: 266,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,236.70 : 477,830.67 = 193,304.96 : x
  2. Step 2: Convert to fraction form
    346,236.70/477,830.67 = 193,304.96/x
  3. Step 3: Cross multiply
    346,236.70x = 477,830.67 × 193,304.96
  4. Step 4: Simplify right side
    346,236.70x = 92,367,038,551.12
  5. Step 5: Solve for x
    x = 92,367,038,551.12/346,236.70
  6. Step 6: Final answer
    x = 266,774.26

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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.