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Finding the Fourth Proportional to 334,073.70, 501,110.55 and 156,926.70

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Solution

The fourth proportional to 334,073.70, 501,110.55 and 156,926.70 is: 235,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,073.70 : 501,110.55 = 156,926.70 : x
  2. Step 2: Convert to fraction form
    334,073.70/501,110.55 = 156,926.70/x
  3. Step 3: Cross multiply
    334,073.70x = 501,110.55 × 156,926.70
  4. Step 4: Simplify right side
    334,073.70x = 78,637,624,946.69
  5. Step 5: Solve for x
    x = 78,637,624,946.69/334,073.70
  6. Step 6: Final answer
    x = 235,390.05

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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.