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Finding the Fourth Proportional to 346,335.30, 477,940.68 and 193,364.64

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Solution

The fourth proportional to 346,335.30, 477,940.68 and 193,364.64 is: 266,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,335.30 : 477,940.68 = 193,364.64 : x
  2. Step 2: Convert to fraction form
    346,335.30/477,940.68 = 193,364.64/x
  3. Step 3: Cross multiply
    346,335.30x = 477,940.68 × 193,364.64
  4. Step 4: Simplify right side
    346,335.30x = 92,416,827,529.56
  5. Step 5: Solve for x
    x = 92,416,827,529.56/346,335.30
  6. Step 6: Final answer
    x = 266,842.07

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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.