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Finding the Fourth Proportional to 541,437.26, 746,856.53 and 347,779.77

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Solution

The fourth proportional to 541,437.26, 746,856.53 and 347,779.77 is: 479,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,437.26 : 746,856.53 = 347,779.77 : x
  2. Step 2: Convert to fraction form
    541,437.26/746,856.53 = 347,779.77/x
  3. Step 3: Cross multiply
    541,437.26x = 746,856.53 × 347,779.77
  4. Step 4: Simplify right side
    541,437.26x = 259,741,590,487.50
  5. Step 5: Solve for x
    x = 259,741,590,487.50/541,437.26
  6. Step 6: Final answer
    x = 479,726.11

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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.