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Finding the Fourth Proportional to 469,798.80, 704,696.16 and 170,209.20

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Solution

The fourth proportional to 469,798.80, 704,696.16 and 170,209.20 is: 255,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,798.80 : 704,696.16 = 170,209.20 : x
  2. Step 2: Convert to fraction form
    469,798.80/704,696.16 = 170,209.20/x
  3. Step 3: Cross multiply
    469,798.80x = 704,696.16 × 170,209.20
  4. Step 4: Simplify right side
    469,798.80x = 119,945,769,636.67
  5. Step 5: Solve for x
    x = 119,945,769,636.67/469,798.80
  6. Step 6: Final answer
    x = 255,313.06

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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.