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Finding the Fourth Proportional to 328,656.62, 493,158.51 and 233,210.59

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Solution

The fourth proportional to 328,656.62, 493,158.51 and 233,210.59 is: 349,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,656.62 : 493,158.51 = 233,210.59 : x
  2. Step 2: Convert to fraction form
    328,656.62/493,158.51 = 233,210.59/x
  3. Step 3: Cross multiply
    328,656.62x = 493,158.51 × 233,210.59
  4. Step 4: Simplify right side
    328,656.62x = 115,009,783,936.35
  5. Step 5: Solve for x
    x = 115,009,783,936.35/328,656.62
  6. Step 6: Final answer
    x = 349,939.04

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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.