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Finding the Fourth Proportional to 475,926.30, 713,716.65 and 239,190.30

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Solution

The fourth proportional to 475,926.30, 713,716.65 and 239,190.30 is: 358,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,926.30 : 713,716.65 = 239,190.30 : x
  2. Step 2: Convert to fraction form
    475,926.30/713,716.65 = 239,190.30/x
  3. Step 3: Cross multiply
    475,926.30x = 713,716.65 × 239,190.30
  4. Step 4: Simplify right side
    475,926.30x = 170,714,099,628.50
  5. Step 5: Solve for x
    x = 170,714,099,628.50/475,926.30
  6. Step 6: Final answer
    x = 358,698.60

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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.