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Finding the Fourth Proportional to 453,065.16, 625,262.40 and 271,784.64

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Solution

The fourth proportional to 453,065.16, 625,262.40 and 271,784.64 is: 375,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,065.16 : 625,262.40 = 271,784.64 : x
  2. Step 2: Convert to fraction form
    453,065.16/625,262.40 = 271,784.64/x
  3. Step 3: Cross multiply
    453,065.16x = 625,262.40 × 271,784.64
  4. Step 4: Simplify right side
    453,065.16x = 169,936,716,289.54
  5. Step 5: Solve for x
    x = 169,936,716,289.54/453,065.16
  6. Step 6: Final answer
    x = 375,082.29

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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.