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Finding the Fourth Proportional to 597,640.83, 824,720.28 and 325,702.87

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Solution

The fourth proportional to 597,640.83, 824,720.28 and 325,702.87 is: 449,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,640.83 : 824,720.28 = 325,702.87 : x
  2. Step 2: Convert to fraction form
    597,640.83/824,720.28 = 325,702.87/x
  3. Step 3: Cross multiply
    597,640.83x = 824,720.28 × 325,702.87
  4. Step 4: Simplify right side
    597,640.83x = 268,613,758,860.02
  5. Step 5: Solve for x
    x = 268,613,758,860.02/597,640.83
  6. Step 6: Final answer
    x = 449,456.84

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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.