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Finding the Fourth Proportional to 584,218.94, 806,224.56 and 315,946.94

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Solution

The fourth proportional to 584,218.94, 806,224.56 and 315,946.94 is: 436,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,218.94 : 806,224.56 = 315,946.94 : x
  2. Step 2: Convert to fraction form
    584,218.94/806,224.56 = 315,946.94/x
  3. Step 3: Cross multiply
    584,218.94x = 806,224.56 × 315,946.94
  4. Step 4: Simplify right side
    584,218.94x = 254,724,182,684.85
  5. Step 5: Solve for x
    x = 254,724,182,684.85/584,218.94
  6. Step 6: Final answer
    x = 436,008.09

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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.