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Finding the Fourth Proportional to 582,348.30, 803,640.30 and 327,699.72

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Solution

The fourth proportional to 582,348.30, 803,640.30 and 327,699.72 is: 452,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,348.30 : 803,640.30 = 327,699.72 : x
  2. Step 2: Convert to fraction form
    582,348.30/803,640.30 = 327,699.72/x
  3. Step 3: Cross multiply
    582,348.30x = 803,640.30 × 327,699.72
  4. Step 4: Simplify right side
    582,348.30x = 263,352,701,290.72
  5. Step 5: Solve for x
    x = 263,352,701,290.72/582,348.30
  6. Step 6: Final answer
    x = 452,225.41

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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.