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Finding the Fourth Proportional to 355,349.73, 532,946.10 and 102,575.28

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Solution

The fourth proportional to 355,349.73, 532,946.10 and 102,575.28 is: 153,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,349.73 : 532,946.10 = 102,575.28 : x
  2. Step 2: Convert to fraction form
    355,349.73/532,946.10 = 102,575.28/x
  3. Step 3: Cross multiply
    355,349.73x = 532,946.10 × 102,575.28
  4. Step 4: Simplify right side
    355,349.73x = 54,667,095,432.41
  5. Step 5: Solve for x
    x = 54,667,095,432.41/355,349.73
  6. Step 6: Final answer
    x = 153,840.26

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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.