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Finding the Fourth Proportional to 575,427.75, 863,105.48 and 176,036.79

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Solution

The fourth proportional to 575,427.75, 863,105.48 and 176,036.79 is: 264,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,427.75 : 863,105.48 = 176,036.79 : x
  2. Step 2: Convert to fraction form
    575,427.75/863,105.48 = 176,036.79/x
  3. Step 3: Cross multiply
    575,427.75x = 863,105.48 × 176,036.79
  4. Step 4: Simplify right side
    575,427.75x = 151,938,317,250.43
  5. Step 5: Solve for x
    x = 151,938,317,250.43/575,427.75
  6. Step 6: Final answer
    x = 264,044.13

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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.