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Finding the Fourth Proportional to 633,756.88, 950,847.14 and 207,312.16

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Solution

The fourth proportional to 633,756.88, 950,847.14 and 207,312.16 is: 311,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,756.88 : 950,847.14 = 207,312.16 : x
  2. Step 2: Convert to fraction form
    633,756.88/950,847.14 = 207,312.16/x
  3. Step 3: Cross multiply
    633,756.88x = 950,847.14 × 207,312.16
  4. Step 4: Simplify right side
    633,756.88x = 197,122,174,423.22
  5. Step 5: Solve for x
    x = 197,122,174,423.22/633,756.88
  6. Step 6: Final answer
    x = 311,037.53

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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.