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Finding the Fourth Proportional to 519,323.00, 716,785.31 and 304,532.28

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Solution

The fourth proportional to 519,323.00, 716,785.31 and 304,532.28 is: 420,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,323.00 : 716,785.31 = 304,532.28 : x
  2. Step 2: Convert to fraction form
    519,323.00/716,785.31 = 304,532.28/x
  3. Step 3: Cross multiply
    519,323.00x = 716,785.31 × 304,532.28
  4. Step 4: Simplify right side
    519,323.00x = 218,284,265,486.14
  5. Step 5: Solve for x
    x = 218,284,265,486.14/519,323.00
  6. Step 6: Final answer
    x = 420,324.67

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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.