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Finding the Fourth Proportional to 344,561.31, 475,610.74 and 235,730.72

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Solution

The fourth proportional to 344,561.31, 475,610.74 and 235,730.72 is: 325,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,561.31 : 475,610.74 = 235,730.72 : x
  2. Step 2: Convert to fraction form
    344,561.31/475,610.74 = 235,730.72/x
  3. Step 3: Cross multiply
    344,561.31x = 475,610.74 × 235,730.72
  4. Step 4: Simplify right side
    344,561.31x = 112,116,062,779.63
  5. Step 5: Solve for x
    x = 112,116,062,779.63/344,561.31
  6. Step 6: Final answer
    x = 325,387.85

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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.