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Finding the Fourth Proportional to 348,698.68, 523,249.80 and 146,276.64

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Solution

The fourth proportional to 348,698.68, 523,249.80 and 146,276.64 is: 219,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,698.68 : 523,249.80 = 146,276.64 : x
  2. Step 2: Convert to fraction form
    348,698.68/523,249.80 = 146,276.64/x
  3. Step 3: Cross multiply
    348,698.68x = 523,249.80 × 146,276.64
  4. Step 4: Simplify right side
    348,698.68x = 76,539,222,624.67
  5. Step 5: Solve for x
    x = 76,539,222,624.67/348,698.68
  6. Step 6: Final answer
    x = 219,499.61

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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.