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Finding the Fourth Proportional to 493,374.26, 680,856.48 and 267,019.76

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Solution

The fourth proportional to 493,374.26, 680,856.48 and 267,019.76 is: 368,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,374.26 : 680,856.48 = 267,019.76 : x
  2. Step 2: Convert to fraction form
    493,374.26/680,856.48 = 267,019.76/x
  3. Step 3: Cross multiply
    493,374.26x = 680,856.48 × 267,019.76
  4. Step 4: Simplify right side
    493,374.26x = 181,802,130,479.76
  5. Step 5: Solve for x
    x = 181,802,130,479.76/493,374.26
  6. Step 6: Final answer
    x = 368,487.27

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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.