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Finding the Fourth Proportional to 334,802.70, 501,776.98 and 156,917.80

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Solution

The fourth proportional to 334,802.70, 501,776.98 and 156,917.80 is: 235,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,802.70 : 501,776.98 = 156,917.80 : x
  2. Step 2: Convert to fraction form
    334,802.70/501,776.98 = 156,917.80/x
  3. Step 3: Cross multiply
    334,802.70x = 501,776.98 × 156,917.80
  4. Step 4: Simplify right side
    334,802.70x = 78,737,739,792.24
  5. Step 5: Solve for x
    x = 78,737,739,792.24/334,802.70
  6. Step 6: Final answer
    x = 235,176.54

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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.