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Finding the Fourth Proportional to 346,318.60, 519,502.20 and 196,630.60

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Solution

The fourth proportional to 346,318.60, 519,502.20 and 196,630.60 is: 294,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,318.60 : 519,502.20 = 196,630.60 : x
  2. Step 2: Convert to fraction form
    346,318.60/519,502.20 = 196,630.60/x
  3. Step 3: Cross multiply
    346,318.60x = 519,502.20 × 196,630.60
  4. Step 4: Simplify right side
    346,318.60x = 102,150,029,287.32
  5. Step 5: Solve for x
    x = 102,150,029,287.32/346,318.60
  6. Step 6: Final answer
    x = 294,959.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.