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Finding the Fourth Proportional to 597,640.71, 824,720.12 and 325,702.76

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Solution

The fourth proportional to 597,640.71, 824,720.12 and 325,702.76 is: 449,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,640.71 : 824,720.12 = 325,702.76 : x
  2. Step 2: Convert to fraction form
    597,640.71/824,720.12 = 325,702.76/x
  3. Step 3: Cross multiply
    597,640.71x = 824,720.12 × 325,702.76
  4. Step 4: Simplify right side
    597,640.71x = 268,613,613,559.42
  5. Step 5: Solve for x
    x = 268,613,613,559.42/597,640.71
  6. Step 6: Final answer
    x = 449,456.69

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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.