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Finding the Fourth Proportional to 575,477.87, 863,186.12 and 176,118.91

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Solution

The fourth proportional to 575,477.87, 863,186.12 and 176,118.91 is: 264,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,477.87 : 863,186.12 = 176,118.91 : x
  2. Step 2: Convert to fraction form
    575,477.87/863,186.12 = 176,118.91/x
  3. Step 3: Cross multiply
    575,477.87x = 863,186.12 × 176,118.91
  4. Step 4: Simplify right side
    575,477.87x = 152,023,396,203.42
  5. Step 5: Solve for x
    x = 152,023,396,203.42/575,477.87
  6. Step 6: Final answer
    x = 264,168.97

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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.