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Finding the Fourth Proportional to 584,218.55, 806,224.03 and 315,946.55

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Solution

The fourth proportional to 584,218.55, 806,224.03 and 315,946.55 is: 436,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,218.55 : 806,224.03 = 315,946.55 : x
  2. Step 2: Convert to fraction form
    584,218.55/806,224.03 = 315,946.55/x
  3. Step 3: Cross multiply
    584,218.55x = 806,224.03 × 315,946.55
  4. Step 4: Simplify right side
    584,218.55x = 254,723,697,496.28
  5. Step 5: Solve for x
    x = 254,723,697,496.28/584,218.55
  6. Step 6: Final answer
    x = 436,007.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.