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Finding the Fourth Proportional to 582,080.28, 803,263.14 and 327,431.40

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Solution

The fourth proportional to 582,080.28, 803,263.14 and 327,431.40 is: 451,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,080.28 : 803,263.14 = 327,431.40 : x
  2. Step 2: Convert to fraction form
    582,080.28/803,263.14 = 327,431.40/x
  3. Step 3: Cross multiply
    582,080.28x = 803,263.14 × 327,431.40
  4. Step 4: Simplify right side
    582,080.28x = 263,013,574,498.60
  5. Step 5: Solve for x
    x = 263,013,574,498.60/582,080.28
  6. Step 6: Final answer
    x = 451,851.03

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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.