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Finding the Fourth Proportional to 584,659.25, 806,829.77 and 316,387.25

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Solution

The fourth proportional to 584,659.25, 806,829.77 and 316,387.25 is: 436,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,659.25 : 806,829.77 = 316,387.25 : x
  2. Step 2: Convert to fraction form
    584,659.25/806,829.77 = 316,387.25/x
  3. Step 3: Cross multiply
    584,659.25x = 806,829.77 × 316,387.25
  4. Step 4: Simplify right side
    584,659.25x = 255,270,650,566.50
  5. Step 5: Solve for x
    x = 255,270,650,566.50/584,659.25
  6. Step 6: Final answer
    x = 436,614.41

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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.