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Finding the Fourth Proportional to 613,702.80, 921,504.60 and 333,766.80

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Solution

The fourth proportional to 613,702.80, 921,504.60 and 333,766.80 is: 501,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,702.80 : 921,504.60 = 333,766.80 : x
  2. Step 2: Convert to fraction form
    613,702.80/921,504.60 = 333,766.80/x
  3. Step 3: Cross multiply
    613,702.80x = 921,504.60 × 333,766.80
  4. Step 4: Simplify right side
    613,702.80x = 307,567,641,527.28
  5. Step 5: Solve for x
    x = 307,567,641,527.28/613,702.80
  6. Step 6: Final answer
    x = 501,167.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.