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Finding the Fourth Proportional to 358,327.53, 537,478.74 and 121,672.26

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Solution

The fourth proportional to 358,327.53, 537,478.74 and 121,672.26 is: 182,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,327.53 : 537,478.74 = 121,672.26 : x
  2. Step 2: Convert to fraction form
    358,327.53/537,478.74 = 121,672.26/x
  3. Step 3: Cross multiply
    358,327.53x = 537,478.74 × 121,672.26
  4. Step 4: Simplify right side
    358,327.53x = 65,396,252,997.75
  5. Step 5: Solve for x
    x = 65,396,252,997.75/358,327.53
  6. Step 6: Final answer
    x = 182,504.13

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1.5x scale

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.