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Finding the Fourth Proportional to 575,140.30, 862,679.05 and 175,780.94

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Solution

The fourth proportional to 575,140.30, 862,679.05 and 175,780.94 is: 263,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,140.30 : 862,679.05 = 175,780.94 : x
  2. Step 2: Convert to fraction form
    575,140.30/862,679.05 = 175,780.94/x
  3. Step 3: Cross multiply
    575,140.30x = 862,679.05 × 175,780.94
  4. Step 4: Simplify right side
    575,140.30x = 151,642,534,327.31
  5. Step 5: Solve for x
    x = 151,642,534,327.31/575,140.30
  6. Step 6: Final answer
    x = 263,661.81

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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.