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Finding the Fourth Proportional to 692,480.98, 956,055.99 and 531,025.30

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Solution

The fourth proportional to 692,480.98, 956,055.99 and 531,025.30 is: 733,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,480.98 : 956,055.99 = 531,025.30 : x
  2. Step 2: Convert to fraction form
    692,480.98/956,055.99 = 531,025.30/x
  3. Step 3: Cross multiply
    692,480.98x = 956,055.99 × 531,025.30
  4. Step 4: Simplify right side
    692,480.98x = 507,689,918,906.55
  5. Step 5: Solve for x
    x = 507,689,918,906.55/692,480.98
  6. Step 6: Final answer
    x = 733,146.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.