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Finding the Fourth Proportional to 692,449.87, 955,740.24 and 406,062.22

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Solution

The fourth proportional to 692,449.87, 955,740.24 and 406,062.22 is: 560,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,449.87 : 955,740.24 = 406,062.22 : x
  2. Step 2: Convert to fraction form
    692,449.87/955,740.24 = 406,062.22/x
  3. Step 3: Cross multiply
    692,449.87x = 955,740.24 × 406,062.22
  4. Step 4: Simplify right side
    692,449.87x = 388,090,003,597.73
  5. Step 5: Solve for x
    x = 388,090,003,597.73/692,449.87
  6. Step 6: Final answer
    x = 560,459.35

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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.