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Finding the Fourth Proportional to 595,915.12, 821,557.96 and 404,596.40

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Solution

The fourth proportional to 595,915.12, 821,557.96 and 404,596.40 is: 557,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,915.12 : 821,557.96 = 404,596.40 : x
  2. Step 2: Convert to fraction form
    595,915.12/821,557.96 = 404,596.40/x
  3. Step 3: Cross multiply
    595,915.12x = 821,557.96 × 404,596.40
  4. Step 4: Simplify right side
    595,915.12x = 332,399,393,007.34
  5. Step 5: Solve for x
    x = 332,399,393,007.34/595,915.12
  6. Step 6: Final answer
    x = 557,796.54

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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.