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Finding the Fourth Proportional to 584,759.82, 806,968.32 and 316,487.82

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Solution

The fourth proportional to 584,759.82, 806,968.32 and 316,487.82 is: 436,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,759.82 : 806,968.32 = 316,487.82 : x
  2. Step 2: Convert to fraction form
    584,759.82/806,968.32 = 316,487.82/x
  3. Step 3: Cross multiply
    584,759.82x = 806,968.32 × 316,487.82
  4. Step 4: Simplify right side
    584,759.82x = 255,395,644,405.86
  5. Step 5: Solve for x
    x = 255,395,644,405.86/584,759.82
  6. Step 6: Final answer
    x = 436,753.07

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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.