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Finding the Fourth Proportional to 461,365.26, 637,084.54 and 289,580.94

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Solution

The fourth proportional to 461,365.26, 637,084.54 and 289,580.94 is: 399,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,365.26 : 637,084.54 = 289,580.94 : x
  2. Step 2: Convert to fraction form
    461,365.26/637,084.54 = 289,580.94/x
  3. Step 3: Cross multiply
    461,365.26x = 637,084.54 × 289,580.94
  4. Step 4: Simplify right side
    461,365.26x = 184,487,539,952.67
  5. Step 5: Solve for x
    x = 184,487,539,952.67/461,365.26
  6. Step 6: Final answer
    x = 399,873.06

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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.