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Finding the Fourth Proportional to 582,137.55, 803,348.69 and 327,488.94

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Solution

The fourth proportional to 582,137.55, 803,348.69 and 327,488.94 is: 451,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,137.55 : 803,348.69 = 327,488.94 : x
  2. Step 2: Convert to fraction form
    582,137.55/803,348.69 = 327,488.94/x
  3. Step 3: Cross multiply
    582,137.55x = 803,348.69 × 327,488.94
  4. Step 4: Simplify right side
    582,137.55x = 263,087,809,301.04
  5. Step 5: Solve for x
    x = 263,087,809,301.04/582,137.55
  6. Step 6: Final answer
    x = 451,934.10

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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.