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Finding the Fourth Proportional to 638,094.24, 957,159.90 and 238,658.76

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Solution

The fourth proportional to 638,094.24, 957,159.90 and 238,658.76 is: 357,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,094.24 : 957,159.90 = 238,658.76 : x
  2. Step 2: Convert to fraction form
    638,094.24/957,159.90 = 238,658.76/x
  3. Step 3: Cross multiply
    638,094.24x = 957,159.90 × 238,658.76
  4. Step 4: Simplify right side
    638,094.24x = 228,434,594,855.72
  5. Step 5: Solve for x
    x = 228,434,594,855.72/638,094.24
  6. Step 6: Final answer
    x = 357,995.07

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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.