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Finding the Fourth Proportional to 692,605.52, 955,816.20 and 424,181.84

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Solution

The fourth proportional to 692,605.52, 955,816.20 and 424,181.84 is: 585,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,605.52 : 955,816.20 = 424,181.84 : x
  2. Step 2: Convert to fraction form
    692,605.52/955,816.20 = 424,181.84/x
  3. Step 3: Cross multiply
    692,605.52x = 955,816.20 × 424,181.84
  4. Step 4: Simplify right side
    692,605.52x = 405,439,874,417.81
  5. Step 5: Solve for x
    x = 405,439,874,417.81/692,605.52
  6. Step 6: Final answer
    x = 585,383.54

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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.