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Finding the Fourth Proportional to 343,756.50, 474,384.14 and 190,794.75

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Solution

The fourth proportional to 343,756.50, 474,384.14 and 190,794.75 is: 263,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,756.50 : 474,384.14 = 190,794.75 : x
  2. Step 2: Convert to fraction form
    343,756.50/474,384.14 = 190,794.75/x
  3. Step 3: Cross multiply
    343,756.50x = 474,384.14 × 190,794.75
  4. Step 4: Simplify right side
    343,756.50x = 90,510,003,395.27
  5. Step 5: Solve for x
    x = 90,510,003,395.27/343,756.50
  6. Step 6: Final answer
    x = 263,296.85

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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.