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Finding the Fourth Proportional to 637,847.96, 956,290.87 and 385,068.37

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Solution

The fourth proportional to 637,847.96, 956,290.87 and 385,068.37 is: 577,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,847.96 : 956,290.87 = 385,068.37 : x
  2. Step 2: Convert to fraction form
    637,847.96/956,290.87 = 385,068.37/x
  3. Step 3: Cross multiply
    637,847.96x = 956,290.87 × 385,068.37
  4. Step 4: Simplify right side
    637,847.96x = 368,237,366,556.78
  5. Step 5: Solve for x
    x = 368,237,366,556.78/637,847.96
  6. Step 6: Final answer
    x = 577,312.13

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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.