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Finding the Fourth Proportional to 347,656.80, 521,384.76 and 158,011.52

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Solution

The fourth proportional to 347,656.80, 521,384.76 and 158,011.52 is: 236,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,656.80 : 521,384.76 = 158,011.52 : x
  2. Step 2: Convert to fraction form
    347,656.80/521,384.76 = 158,011.52/x
  3. Step 3: Cross multiply
    347,656.80x = 521,384.76 × 158,011.52
  4. Step 4: Simplify right side
    347,656.80x = 82,384,798,432.44
  5. Step 5: Solve for x
    x = 82,384,798,432.44/347,656.80
  6. Step 6: Final answer
    x = 236,971.63

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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.