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Finding the Fourth Proportional to 328,962.58, 493,344.54 and 171,104.92

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Solution

The fourth proportional to 328,962.58, 493,344.54 and 171,104.92 is: 256,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,962.58 : 493,344.54 = 171,104.92 : x
  2. Step 2: Convert to fraction form
    328,962.58/493,344.54 = 171,104.92/x
  3. Step 3: Cross multiply
    328,962.58x = 493,344.54 × 171,104.92
  4. Step 4: Simplify right side
    328,962.58x = 84,413,678,476.90
  5. Step 5: Solve for x
    x = 84,413,678,476.90/328,962.58
  6. Step 6: Final answer
    x = 256,605.72

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1.5x scale

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.