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Finding the Fourth Proportional to 471,343.20, 650,455.02 and 256,483.32

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Solution

The fourth proportional to 471,343.20, 650,455.02 and 256,483.32 is: 353,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,343.20 : 650,455.02 = 256,483.32 : x
  2. Step 2: Convert to fraction form
    471,343.20/650,455.02 = 256,483.32/x
  3. Step 3: Cross multiply
    471,343.20x = 650,455.02 × 256,483.32
  4. Step 4: Simplify right side
    471,343.20x = 166,830,863,040.27
  5. Step 5: Solve for x
    x = 166,830,863,040.27/471,343.20
  6. Step 6: Final answer
    x = 353,947.75

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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.