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Finding the Fourth Proportional to 575,519.05, 863,131.27 and 170,616.57

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Solution

The fourth proportional to 575,519.05, 863,131.27 and 170,616.57 is: 255,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,519.05 : 863,131.27 = 170,616.57 : x
  2. Step 2: Convert to fraction form
    575,519.05/863,131.27 = 170,616.57/x
  3. Step 3: Cross multiply
    575,519.05x = 863,131.27 × 170,616.57
  4. Step 4: Simplify right side
    575,519.05x = 147,264,495,894.06
  5. Step 5: Solve for x
    x = 147,264,495,894.06/575,519.05
  6. Step 6: Final answer
    x = 255,881.19

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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.