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Finding the Fourth Proportional to 329,130.59, 493,291.91 and 187,094.84

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Solution

The fourth proportional to 329,130.59, 493,291.91 and 187,094.84 is: 280,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,130.59 : 493,291.91 = 187,094.84 : x
  2. Step 2: Convert to fraction form
    329,130.59/493,291.91 = 187,094.84/x
  3. Step 3: Cross multiply
    329,130.59x = 493,291.91 × 187,094.84
  4. Step 4: Simplify right side
    329,130.59x = 92,292,368,976.02
  5. Step 5: Solve for x
    x = 92,292,368,976.02/329,130.59
  6. Step 6: Final answer
    x = 280,412.62

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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.