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Finding the Fourth Proportional to 580,185.65, 800,643.51 and 322,047.42

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Solution

The fourth proportional to 580,185.65, 800,643.51 and 322,047.42 is: 444,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,185.65 : 800,643.51 = 322,047.42 : x
  2. Step 2: Convert to fraction form
    580,185.65/800,643.51 = 322,047.42/x
  3. Step 3: Cross multiply
    580,185.65x = 800,643.51 × 322,047.42
  4. Step 4: Simplify right side
    580,185.65x = 257,845,176,735.24
  5. Step 5: Solve for x
    x = 257,845,176,735.24/580,185.65
  6. Step 6: Final answer
    x = 444,418.40

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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.