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Finding the Fourth Proportional to 692,841.88, 956,058.42 and 406,309.24

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Solution

The fourth proportional to 692,841.88, 956,058.42 and 406,309.24 is: 560,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,841.88 : 956,058.42 = 406,309.24 : x
  2. Step 2: Convert to fraction form
    692,841.88/956,058.42 = 406,309.24/x
  3. Step 3: Cross multiply
    692,841.88x = 956,058.42 × 406,309.24
  4. Step 4: Simplify right side
    692,841.88x = 388,455,370,025.80
  5. Step 5: Solve for x
    x = 388,455,370,025.80/692,841.88
  6. Step 6: Final answer
    x = 560,669.59

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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.