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Finding the Fourth Proportional to 510,293.08, 704,290.80 and 295,563.88

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Solution

The fourth proportional to 510,293.08, 704,290.80 and 295,563.88 is: 407,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,293.08 : 704,290.80 = 295,563.88 : x
  2. Step 2: Convert to fraction form
    510,293.08/704,290.80 = 295,563.88/x
  3. Step 3: Cross multiply
    510,293.08x = 704,290.80 × 295,563.88
  4. Step 4: Simplify right side
    510,293.08x = 208,162,921,496.30
  5. Step 5: Solve for x
    x = 208,162,921,496.30/510,293.08
  6. Step 6: Final answer
    x = 407,928.17

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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.