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Finding the Fourth Proportional to 575,779.14, 794,576.64 and 321,146.82

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Solution

The fourth proportional to 575,779.14, 794,576.64 and 321,146.82 is: 443,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,779.14 : 794,576.64 = 321,146.82 : x
  2. Step 2: Convert to fraction form
    575,779.14/794,576.64 = 321,146.82/x
  3. Step 3: Cross multiply
    575,779.14x = 794,576.64 × 321,146.82
  4. Step 4: Simplify right side
    575,779.14x = 255,175,761,182.29
  5. Step 5: Solve for x
    x = 255,175,761,182.29/575,779.14
  6. Step 6: Final answer
    x = 443,183.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.