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Finding the Fourth Proportional to 575,464.80, 863,121.60 and 176,145.60

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Solution

The fourth proportional to 575,464.80, 863,121.60 and 176,145.60 is: 264,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,464.80 : 863,121.60 = 176,145.60 : x
  2. Step 2: Convert to fraction form
    575,464.80/863,121.60 = 176,145.60/x
  3. Step 3: Cross multiply
    575,464.80x = 863,121.60 × 176,145.60
  4. Step 4: Simplify right side
    575,464.80x = 152,035,072,104.96
  5. Step 5: Solve for x
    x = 152,035,072,104.96/575,464.80
  6. Step 6: Final answer
    x = 264,195.26

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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.