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Finding the Fourth Proportional to 569,555.12, 785,966.82 and 327,804.14

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Solution

The fourth proportional to 569,555.12, 785,966.82 and 327,804.14 is: 452,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,555.12 : 785,966.82 = 327,804.14 : x
  2. Step 2: Convert to fraction form
    569,555.12/785,966.82 = 327,804.14/x
  3. Step 3: Cross multiply
    569,555.12x = 785,966.82 × 327,804.14
  4. Step 4: Simplify right side
    569,555.12x = 257,643,177,498.64
  5. Step 5: Solve for x
    x = 257,643,177,498.64/569,555.12
  6. Step 6: Final answer
    x = 452,358.64

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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.