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Finding the Fourth Proportional to 584,490.84, 806,593.98 and 316,213.08

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Solution

The fourth proportional to 584,490.84, 806,593.98 and 316,213.08 is: 436,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,490.84 : 806,593.98 = 316,213.08 : x
  2. Step 2: Convert to fraction form
    584,490.84/806,593.98 = 316,213.08/x
  3. Step 3: Cross multiply
    584,490.84x = 806,593.98 × 316,213.08
  4. Step 4: Simplify right side
    584,490.84x = 255,055,566,725.26
  5. Step 5: Solve for x
    x = 255,055,566,725.26/584,490.84
  6. Step 6: Final answer
    x = 436,372.22

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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.