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Finding the Fourth Proportional to 558,182.84, 770,268.84 and 316,481.66

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Solution

The fourth proportional to 558,182.84, 770,268.84 and 316,481.66 is: 436,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,182.84 : 770,268.84 = 316,481.66 : x
  2. Step 2: Convert to fraction form
    558,182.84/770,268.84 = 316,481.66/x
  3. Step 3: Cross multiply
    558,182.84x = 770,268.84 × 316,481.66
  4. Step 4: Simplify right side
    558,182.84x = 243,775,961,129.47
  5. Step 5: Solve for x
    x = 243,775,961,129.47/558,182.84
  6. Step 6: Final answer
    x = 436,731.38

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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.