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Finding the Fourth Proportional to 571,004.80, 855,585.60 and 360,265.60

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Solution

The fourth proportional to 571,004.80, 855,585.60 and 360,265.60 is: 539,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,004.80 : 855,585.60 = 360,265.60 : x
  2. Step 2: Convert to fraction form
    571,004.80/855,585.60 = 360,265.60/x
  3. Step 3: Cross multiply
    571,004.80x = 855,585.60 × 360,265.60
  4. Step 4: Simplify right side
    571,004.80x = 308,238,059,535.36
  5. Step 5: Solve for x
    x = 308,238,059,535.36/571,004.80
  6. Step 6: Final answer
    x = 539,816.93

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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.