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Finding the Fourth Proportional to 491,561.87, 736,657.34 and 371,520.27

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Solution

The fourth proportional to 491,561.87, 736,657.34 and 371,520.27 is: 556,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,561.87 : 736,657.34 = 371,520.27 : x
  2. Step 2: Convert to fraction form
    491,561.87/736,657.34 = 371,520.27/x
  3. Step 3: Cross multiply
    491,561.87x = 736,657.34 × 371,520.27
  4. Step 4: Simplify right side
    491,561.87x = 273,683,131,996.68
  5. Step 5: Solve for x
    x = 273,683,131,996.68/491,561.87
  6. Step 6: Final answer
    x = 556,762.34

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1.5x scale

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.