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Finding the Fourth Proportional to 346,219.64, 477,781.81 and 193,256.49

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Solution

The fourth proportional to 346,219.64, 477,781.81 and 193,256.49 is: 266,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,219.64 : 477,781.81 = 193,256.49 : x
  2. Step 2: Convert to fraction form
    346,219.64/477,781.81 = 193,256.49/x
  3. Step 3: Cross multiply
    346,219.64x = 477,781.81 × 193,256.49
  4. Step 4: Simplify right side
    346,219.64x = 92,334,435,103.31
  5. Step 5: Solve for x
    x = 92,334,435,103.31/346,219.64
  6. Step 6: Final answer
    x = 266,693.24

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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.