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Finding the Fourth Proportional to 575,057.35, 862,594.97 and 170,290.51

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Solution

The fourth proportional to 575,057.35, 862,594.97 and 170,290.51 is: 255,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,057.35 : 862,594.97 = 170,290.51 : x
  2. Step 2: Convert to fraction form
    575,057.35/862,594.97 = 170,290.51/x
  3. Step 3: Cross multiply
    575,057.35x = 862,594.97 × 170,290.51
  4. Step 4: Simplify right side
    575,057.35x = 146,891,736,459.99
  5. Step 5: Solve for x
    x = 146,891,736,459.99/575,057.35
  6. Step 6: Final answer
    x = 255,438.41

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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.