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Finding the Fourth Proportional to 432,364.56, 596,362.68 and 396,672.72

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Solution

The fourth proportional to 432,364.56, 596,362.68 and 396,672.72 is: 547,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,364.56 : 596,362.68 = 396,672.72 : x
  2. Step 2: Convert to fraction form
    432,364.56/596,362.68 = 396,672.72/x
  3. Step 3: Cross multiply
    432,364.56x = 596,362.68 × 396,672.72
  4. Step 4: Simplify right side
    432,364.56x = 236,560,806,382.09
  5. Step 5: Solve for x
    x = 236,560,806,382.09/432,364.56
  6. Step 6: Final answer
    x = 547,132.74

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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.