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Finding the Fourth Proportional to 585,577.94, 808,090.82 and 317,305.94

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Solution

The fourth proportional to 585,577.94, 808,090.82 and 317,305.94 is: 437,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,577.94 : 808,090.82 = 317,305.94 : x
  2. Step 2: Convert to fraction form
    585,577.94/808,090.82 = 317,305.94/x
  3. Step 3: Cross multiply
    585,577.94x = 808,090.82 × 317,305.94
  4. Step 4: Simplify right side
    585,577.94x = 256,412,017,245.47
  5. Step 5: Solve for x
    x = 256,412,017,245.47/585,577.94
  6. Step 6: Final answer
    x = 437,878.55

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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.