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Finding the Fourth Proportional to 355,045.62, 532,579.37 and 155,263.17

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Solution

The fourth proportional to 355,045.62, 532,579.37 and 155,263.17 is: 232,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,045.62 : 532,579.37 = 155,263.17 : x
  2. Step 2: Convert to fraction form
    355,045.62/532,579.37 = 155,263.17/x
  3. Step 3: Cross multiply
    355,045.62x = 532,579.37 × 155,263.17
  4. Step 4: Simplify right side
    355,045.62x = 82,689,960,486.49
  5. Step 5: Solve for x
    x = 82,689,960,486.49/355,045.62
  6. Step 6: Final answer
    x = 232,899.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.