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Finding the Fourth Proportional to 507,816.36, 760,893.39 and 308,197.89

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Solution

The fourth proportional to 507,816.36, 760,893.39 and 308,197.89 is: 461,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,816.36 : 760,893.39 = 308,197.89 : x
  2. Step 2: Convert to fraction form
    507,816.36/760,893.39 = 308,197.89/x
  3. Step 3: Cross multiply
    507,816.36x = 760,893.39 × 308,197.89
  4. Step 4: Simplify right side
    507,816.36x = 234,505,737,312.95
  5. Step 5: Solve for x
    x = 234,505,737,312.95/507,816.36
  6. Step 6: Final answer
    x = 461,792.40

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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.