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Finding the Fourth Proportional to 575,139.30, 862,677.56 and 175,779.94

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Solution

The fourth proportional to 575,139.30, 862,677.56 and 175,779.94 is: 263,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,139.30 : 862,677.56 = 175,779.94 : x
  2. Step 2: Convert to fraction form
    575,139.30/862,677.56 = 175,779.94/x
  3. Step 3: Cross multiply
    575,139.30x = 862,677.56 × 175,779.94
  4. Step 4: Simplify right side
    575,139.30x = 151,641,404,543.86
  5. Step 5: Solve for x
    x = 151,641,404,543.86/575,139.30
  6. Step 6: Final answer
    x = 263,660.31

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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.