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Finding the Fourth Proportional to 416,384.37, 624,483.12 and 191,528.85

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Solution

The fourth proportional to 416,384.37, 624,483.12 and 191,528.85 is: 287,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,384.37 : 624,483.12 = 191,528.85 : x
  2. Step 2: Convert to fraction form
    416,384.37/624,483.12 = 191,528.85/x
  3. Step 3: Cross multiply
    416,384.37x = 624,483.12 × 191,528.85
  4. Step 4: Simplify right side
    416,384.37x = 119,606,533,818.01
  5. Step 5: Solve for x
    x = 119,606,533,818.01/416,384.37
  6. Step 6: Final answer
    x = 287,250.30

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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.