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Finding the Fourth Proportional to 622,366.20, 859,055.76 and 364,303.52

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Solution

The fourth proportional to 622,366.20, 859,055.76 and 364,303.52 is: 502,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,366.20 : 859,055.76 = 364,303.52 : x
  2. Step 2: Convert to fraction form
    622,366.20/859,055.76 = 364,303.52/x
  3. Step 3: Cross multiply
    622,366.20x = 859,055.76 × 364,303.52
  4. Step 4: Simplify right side
    622,366.20x = 312,957,037,244.28
  5. Step 5: Solve for x
    x = 312,957,037,244.28/622,366.20
  6. Step 6: Final answer
    x = 502,850.31

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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.