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Finding the Fourth Proportional to 692,604.52, 955,814.82 and 424,180.84

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Solution

The fourth proportional to 692,604.52, 955,814.82 and 424,180.84 is: 585,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,604.52 : 955,814.82 = 424,180.84 : x
  2. Step 2: Convert to fraction form
    692,604.52/955,814.82 = 424,180.84/x
  3. Step 3: Cross multiply
    692,604.52x = 955,814.82 × 424,180.84
  4. Step 4: Simplify right side
    692,604.52x = 405,438,333,232.05
  5. Step 5: Solve for x
    x = 405,438,333,232.05/692,604.52
  6. Step 6: Final answer
    x = 585,382.16

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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.