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Finding the Fourth Proportional to 454,072, 625,576.08 and 358,543.84

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Solution

The fourth proportional to 454,072, 625,576.08 and 358,543.84 is: 493,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,072 : 625,576.08 = 358,543.84 : x
  2. Step 2: Convert to fraction form
    454,072/625,576.08 = 358,543.84/x
  3. Step 3: Cross multiply
    454,072x = 625,576.08 × 358,543.84
  4. Step 4: Simplify right side
    454,072x = 224,296,449,935.35
  5. Step 5: Solve for x
    x = 224,296,449,935.35/454,072
  6. Step 6: Final answer
    x = 493,966.71

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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.