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Finding the Fourth Proportional to 584,218.44, 806,223.88 and 315,946.44

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Solution

The fourth proportional to 584,218.44, 806,223.88 and 315,946.44 is: 436,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,218.44 : 806,223.88 = 315,946.44 : x
  2. Step 2: Convert to fraction form
    584,218.44/806,223.88 = 315,946.44/x
  3. Step 3: Cross multiply
    584,218.44x = 806,223.88 × 315,946.44
  4. Step 4: Simplify right side
    584,218.44x = 254,723,563,149.26
  5. Step 5: Solve for x
    x = 254,723,563,149.26/584,218.44
  6. Step 6: Final answer
    x = 436,007.40

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Double scale
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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.