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Finding the Fourth Proportional to 571,863.60, 859,135.92 and 539,548.32

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Solution

The fourth proportional to 571,863.60, 859,135.92 and 539,548.32 is: 810,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,863.60 : 859,135.92 = 539,548.32 : x
  2. Step 2: Convert to fraction form
    571,863.60/859,135.92 = 539,548.32/x
  3. Step 3: Cross multiply
    571,863.60x = 859,135.92 × 539,548.32
  4. Step 4: Simplify right side
    571,863.60x = 463,545,342,287.65
  5. Step 5: Solve for x
    x = 463,545,342,287.65/571,863.60
  6. Step 6: Final answer
    x = 810,587.25

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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.