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Finding the Fourth Proportional to 575,372.85, 862,920.68 and 176,017.08

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Solution

The fourth proportional to 575,372.85, 862,920.68 and 176,017.08 is: 263,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,372.85 : 862,920.68 = 176,017.08 : x
  2. Step 2: Convert to fraction form
    575,372.85/862,920.68 = 176,017.08/x
  3. Step 3: Cross multiply
    575,372.85x = 862,920.68 × 176,017.08
  4. Step 4: Simplify right side
    575,372.85x = 151,888,778,365.21
  5. Step 5: Solve for x
    x = 151,888,778,365.21/575,372.85
  6. Step 6: Final answer
    x = 263,983.22

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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.